{"id":"CVE-2018-14635","aliases":["DEBIAN-CVE-2018-14635","EUVD-2018-0102","GHSA-x634-34m9-96mp","PYSEC-2018-93","RHSA-2018:2710","RHSA-2018:2715","RHSA-2018:3792","UBUNTU-CVE-2018-14635"],"status":"published","title":"OpensStack Neutron Denial of Service Vulnerability","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02527,"percentile":0.85,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2018-09-10T19:00:00Z","modified":"2026-10-24T10:49:37Z","fixes":[{"ecosystem":"PyPI","package":"neutron","fixed_in":["13.0.0.0b2","11.0.6","12.0.4"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"neutron","fixed_in":["2:13.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"neutron","fixed_in":["2:13.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"neutron","fixed_in":["2:13.0.0-1"],"sources":["osv"]},{"ecosystem":"Red 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openstack project","product":"openstack-neutron"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:2710","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2715","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://bugs.launchpad.net/neutron/+bug/1757482","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2721","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14635","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://access.redhat.com/errata/RHSA-2018:3792","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://git.openstack.org/cgit/openstack/neutron/commit/?id=54aa6e81cb17b33ce4d5d469cc11dec2869c762d","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14635","tags":["advisory"]},{"url":"https://github.com/openstack/neutron/commit/54aa6e81cb17b33ce4d5d469cc11dec2869c762d","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2018-93.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-x634-34m9-96mp","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14635","tags":["advisory"]},{"url":"https://github.com/openstack/neutron","tags":["package"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1607822","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2710.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-14635","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14635","tags":["advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1404709","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1511394","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1532280","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1545006","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1561907","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1570908","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1575356","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1576256","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1578414","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1579400","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1584845","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1589031","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2715.json","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1530131","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1539638","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3792.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-14635","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-14635","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:00:00Z","modified":"2024-08-05T09:38:12.947Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-0102","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:00:00Z","modified":"2024-08-05T09:38:12Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T02:39:46.259365Z"}],"ghsa":[{"id":"GHSA-x634-34m9-96mp","title":"OpensStack Neutron Denial of Service Vulnerability","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2022-05-13T01:07:33Z","modified":"2024-09-25T20:45:22Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:38:06.29677Z"}],"nvd":[{"id":"CVE-2018-14635","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:29:00.313Z","modified":"2026-06-17T01:41:20.64Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:38.672108Z"}],"osv":[{"id":"CVE-2018-14635","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:29:00.313Z","modified":"2026-10-24T10:49:37.440235356Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-14635","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:29:00.313Z","modified":"2026-10-23T18:02:59.854189368Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"GHSA-x634-34m9-96mp","title":"OpensStack Neutron Denial of Service Vulnerability","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2022-05-13T01:07:33Z","modified":"2024-09-25T21:00:51.908005Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:59.484835Z"},{"id":"RHSA-2018:2710","title":"Red Hat Security Advisory: openstack-neutron security update","status":"published","published":"2024-09-13T15:07:57Z","modified":"2026-08-05T10:05:41Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"RHSA-2018:2715","title":"Red Hat Security Advisory: openstack-neutron security and bug fix update","status":"published","published":"2024-09-13T15:08:31Z","modified":"2026-08-05T10:05:42Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"RHSA-2018:3792","title":"Red Hat Security Advisory: openstack-neutron security update","status":"published","published":"2024-09-13T15:09:41Z","modified":"2026-08-05T10:05:50Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"UBUNTU-CVE-2018-14635","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:29:00Z","modified":"2025-10-24T04:47:10Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"PYSEC-2018-93","description":"When using the Linux bridge ml2 driver, non-privileged tenants are able to create and attach ports without specifying an IP address, bypassing IP address validation. A potential denial of service could occur if an IP address, conflicting with existing guests or routers, is then assigned from outside of the allowed allocation pool. Versions of openstack-neutron before 13.0.0.0b2, 12.0.3 and 11.0.5 are vulnerable.","status":"published","published":"2018-09-10T19:29:00Z","modified":"2026-06-10T17:02:23.557363999Z","updated_at":"2026-11-02T15:52:52.192131Z"}]}}