{"id":"CVE-2020-29480","aliases":["ALPINE-CVE-2020-29480","DEBIAN-CVE-2020-29480","DSA-4812-1","EUVD-2020-21848","GHSA-h88c-j84g-842h","SUSE-SU-2020:14578-1","SUSE-SU-2020:3880-1","SUSE-SU-2020:3881-1","SUSE-SU-2020:3913-1","SUSE-SU-2020:3914-1","SUSE-SU-2020:3915-1","SUSE-SU-2020:3916-1","SUSE-SU-2020:3945-1","UBUNTU-CVE-2020-29480","openSUSE-SU-2020:2313-1","openSUSE-SU-2020:2331-1","openSUSE-SU-2024:11520-1"],"status":"published","title":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any...","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","severity":{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0031,"percentile":0.24138,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203","CWE-862"],"published":"2020-12-15T00:00:00Z","modified":"2026-10-26T12:02:43Z","fixes":[{"ecosystem":"Alpine:v3.11","package":"xen","fixed_in":["4.13.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"xen","fixed_in":["4.13.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.14.0+88-g1d1d1f5391-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.14.0+88-g1d1d1f5391-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.14.0+88-g1d1d1f5391-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.11","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.0+88-g1d1d1f5391-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.0+88-g1d1d1f5391-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.0+88-g1d1d1f5391-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.4+57-g41a822c392-2"}]}],"versions":["4.11.1+92-g6c33308a8d-2","4.11.3+24-g14b62ab3e5-1","4.11.3+24-g14b62ab3e5-1~deb10u1","4.11.4+24-gddaaccbbab-1","4.11.4+24-gddaaccbbab-1~deb10u1","4.11.4+37-g3263f257ca-1","4.11.4+57-g41a822c392-1","4.11.4-1"],"bundled":11},{"source":"osv","ecosystem":"SUSE:Linux 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Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OBLV6L6Q24PPQ2CRFXDX4Q76KU776GKI/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2C6M6S3CIMEBACH6O7V4H2VDANMO6TVA/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29480"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2C6M6S3CIMEBACH6O7V4H2VDANMO6TVA/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OBLV6L6Q24PPQ2CRFXDX4Q76KU776GKI/"},{"url":"https://github.com/advisories/GHSA-h88c-j84g-842h"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-29480","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-29480","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-202014578-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1179477","tags":["report"]},{"url":"https://bugzilla.suse.com/1179496","tags":["report"]},{"url":"https://bugzilla.suse.com/1179498","tags":["report"]},{"url":"https://bugzilla.suse.com/1179501","tags":["report"]},{"url":"https://bugzilla.suse.com/1179502","tags":["report"]},{"url":"https://bugzilla.suse.com/1179506","tags":["report"]},{"url":"https://bugzilla.suse.com/1179514","tags":["report"]},{"url":"https://bugzilla.suse.com/1179516","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29130","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29480","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29481","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29483","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29484","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29571","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203880-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1027519","tags":["report"]},{"url":"https://bugzilla.suse.com/1163019","tags":["report"]},{"url":"https://bugzilla.suse.com/1176782","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8608","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203881-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203913-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203914-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203915-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203916-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203945-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-29480","tags":["report"]},{"url":"https://xenbits.xen.org/xsa/advisory-115.html","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-29480","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ORUQM2NUGI7GTGQ4QQYAXYCCBGXOCR55/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KLZB3TTBVYNCRCZSSEYYBTXS7RCM6NL7/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2007-1320","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-1366","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-3919","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10025","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7777","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7908","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7909","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8667","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8669","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8910","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9377","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9381","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9382","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9383","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9384","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9385","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9386","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9637","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9921","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9932","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12135","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12136","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12137","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-2615","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-2620","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5753","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-6505","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-8309","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9330","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10472","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10982","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12891","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12892","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12893","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15468","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15469","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15470","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-18883","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19961","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19963","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19964","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19966","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19967","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3639","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3646","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3665","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5244","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7540","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7541","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7542","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-8897","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-17349","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-0543","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11740","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11742","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15563","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15565","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25595","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25596","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25597","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25598","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25599","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25600","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25601","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25602","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25603","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25604","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27671","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27672","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27674","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-28368","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29040","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28687","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-29480","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T17:08:13Z","modified":"2024-08-04T16:55:10.499Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21848","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T17:08:13Z","modified":"2024-08-04T16:55:10Z","updated_at":"2026-11-03T03:07:07.463834Z"}],"ghsa":[{"id":"GHSA-h88c-j84g-842h","title":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any...","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2022-05-24T17:36:33Z","modified":"2023-01-29T05:05:03Z","cwes":["CWE-203"],"updated_at":"2026-11-02T14:45:41.669563Z"}],"nvd":[{"id":"CVE-2020-29480","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T18:15:15.007Z","modified":"2026-06-17T03:11:19.833Z","cvss":[{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:27.73474Z"}],"osv":[{"id":"ALPINE-CVE-2020-29480","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T18:15:15.007Z","modified":"2026-10-26T11:17:55.167986722Z","cvss":[{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:27:48.11886Z"},{"id":"CVE-2020-29480","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T18:15:15.007Z","modified":"2026-03-15T14:39:30.880844Z","cvss":[{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"DEBIAN-CVE-2020-29480","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T18:15:15.007Z","modified":"2026-10-26T12:02:43.309283538Z","cvss":[{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-29480","description":"An issue was discovered in Xen through 4.14.x. Neither xenstore implementation does any permission checks when reporting a xenstore watch event. A guest administrator can watch the root xenstored node, which will cause notifications for every created, modified, and deleted key. A guest administrator can also use the special watches, which will cause a notification every time a domain is created and destroyed. Data may include: number, type, and domids of other VMs; existence and domids of driver domains; numbers of virtual interfaces, block devices, vcpus; existence of virtual framebuffers and their backend style (e.g., existence of VNC service); Xen VM UUIDs for other domains; timing information about domain creation and device setup; and some hints at the backend provisioning of VMs and their devices. The watch events do not contain values stored in xenstore, only key names. A guest administrator can observe non-sensitive domain and device lifecycle events relating to other guests. This information allows some insight into overall system configuration (including the number and general nature of other guests), and configuration of other guests (including the number and general nature of other guests' devices). This information might be commercially interesting or might make other attacks easier. There is not believed to be exposure of sensitive data. Specifically, there is no exposure of VNC passwords, port numbers, pathnames in host and guest filesystems, cryptographic keys, or within-guest data.","status":"published","published":"2020-12-15T18:15:00Z","modified":"2026-04-22T12:39:19.79974Z","cvss":[{"version":"3.1","score":2.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:54:24.541803Z"},{"id":"DSA-4812-1","title":"xen - security update","status":"published","published":"2020-12-15T00:00:00Z","modified":"2026-03-09T02:11:08.819507Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"openSUSE-SU-2020:2313-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","status":"published","published":"2020-12-22T05:22:46Z","modified":"2025-05-07T18:12:04.496935Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:2331-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n\nThis update was imported from the SUSE:SLE-15-SP2:Update update project.","status":"published","published":"2020-12-26T05:22:25Z","modified":"2026-02-04T03:38:08.826583Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:11520-1","title":"xen-4.15.1_01-1.2 on GA media","description":"These are all security issues fixed in the xen-4.15.1_01-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:22.378535Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2020:14578-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n","status":"published","published":"2020-12-16T16:52:35Z","modified":"2026-02-04T03:40:59.864471Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"SUSE-SU-2020:3880-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-18T15:47:02Z","modified":"2026-02-04T04:36:31.987762Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3881-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-18T15:47:14Z","modified":"2026-02-04T03:39:37.252654Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3913-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:01Z","modified":"2026-02-04T03:59:34.976076Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3914-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:20Z","modified":"2026-02-04T02:25:51.054779Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3915-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:30Z","modified":"2026-02-04T02:49:46.962806Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3916-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:42Z","modified":"2026-02-04T03:24:53.042108Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3945-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-29T12:09:29Z","modified":"2026-02-04T02:51:22.921364Z","updated_at":"2026-11-02T15:53:48.690034Z"}]}}