{"id":"CVE-2020-10736","aliases":["ALPINE-CVE-2020-10736","BIT-ceph-2020-10736","EUVD-2020-3160","GHSA-7hf6-hcxg-35gw","UBUNTU-CVE-2020-10736","USN-4706-1","openSUSE-SU-2024:10676-1"],"status":"published","title":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the...","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00646,"percentile":0.51428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285"],"published":"2020-06-22T17:49:38Z","modified":"2026-11-03T06:32:35Z","fixes":[{"ecosystem":"Alpine:v3.13","package":"ceph","fixed_in":["15.2.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"ceph","fixed_in":["15.2.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"ceph","fixed_in":["15.2.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"ceph","fixed_in":["15.2.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"ceph16","fixed_in":["15.2.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"ceph16","fixed_in":["15.2.6-r0"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"ceph","fixed_in":["15.2.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"ceph","fixed_in":["15.2.7-0ubuntu0.20.04.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.13","package":"ceph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"15.2.0"},{"fixed":"15.2.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"ceph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"15.2.0"},{"fixed":"15.2.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"ceph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"15.2.0"},{"fixed":"15.2.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"ceph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"15.2.0"},{"fixed":"15.2.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"ceph16","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.2.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"ceph16","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.2.6-r0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"ceph","ranges":[{"type":"SEMVER","events":[{"introduced":"15.2.0"},{"fixed":"15.2.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ceph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.2.7-0ubuntu0.20.04.2"}]}],"versions":["14.2.2-0ubuntu3","14.2.2-0ubuntu4","14.2.4-0ubuntu1","14.2.4-0ubuntu2","14.2.4-0ubuntu3","15.1.0-0ubuntu2","15.1.0-0ubuntu3","15.1.1-0ubuntu1","15.2.0-0ubuntu1","15.2.0-0ubuntu2","15.2.1-0ubuntu1","15.2.1-0ubuntu2","15.2.3-0ubuntu0.20.04.1","15.2.3-0ubuntu0.20.04.2","15.2.5-0ubuntu0.20.04.1","15.2.7-0ubuntu0.20.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ceph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.2.7-0ubuntu0.20.04.2"}]}],"versions":["14.2.2-0ubuntu3","14.2.2-0ubuntu4","14.2.4-0ubuntu1","14.2.4-0ubuntu2","14.2.4-0ubuntu3","15.1.0-0ubuntu2","15.1.0-0ubuntu3","15.1.1-0ubuntu1","15.2.0-0ubuntu1","15.2.0-0ubuntu2","15.2.1-0ubuntu1","15.2.1-0ubuntu2","15.2.3-0ubuntu0.20.04.1","15.2.3-0ubuntu0.20.04.2","15.2.5-0ubuntu0.20.04.1","15.2.7-0ubuntu0.20.04.1"],"bundled":3}],"products":[{"vendor":"[unknown]","product":"ceph"},{"vendor":"ceph","product":"ceph"},{"vendor":"linuxfoundation","product":"ceph"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10736","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","advisory","report"]},{"url":"https://ceph.io/releases/v15-2-2-octopus-released/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10736","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7hf6-hcxg-35gw"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-10736","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-10736","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4706-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-10736","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-10753","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-25660","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16818","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10861","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1128","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16889","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10222","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3821","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-10736","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-1759","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-1760","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20288","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3509","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3524","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3531","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-10736","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2020-06-22T17:49:38Z","modified":"2024-08-04T11:14:14.781Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-3160","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2020-06-22T17:49:38Z","modified":"2024-08-04T11:14:14Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:49.454544Z"}],"ghsa":[{"id":"GHSA-7hf6-hcxg-35gw","title":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the...","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2022-05-24T17:21:23Z","modified":"2023-01-27T05:03:00Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:09.126228Z"}],"nvd":[{"id":"CVE-2020-10736","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2020-06-22T18:15:10.993Z","modified":"2026-06-17T02:48:21.057Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5.2,"vector":"AV:A/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"ALPINE-CVE-2020-10736","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2020-06-22T18:15:10.993Z","modified":"2026-11-03T06:32:35.795298204Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"CVE-2020-10736","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2020-06-22T18:15:10.993Z","modified":"2026-10-24T10:30:27.449027095Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:13.492058Z"},{"id":"UBUNTU-CVE-2020-10736","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2020-06-22T18:15:00Z","modified":"2026-04-22T12:25:15.45253Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:22.212782Z"},{"id":"BIT-ceph-2020-10736","description":"An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr daemons do not properly restrict access, resulting in gaining access to unauthorized resources. This flaw allows an authenticated client to modify the configuration and possibly conduct further attacks.","status":"published","published":"2026-03-20T09:05:27.834Z","modified":"2026-09-08T08:45:51.099626877Z","updated_at":"2026-11-02T15:28:28.70813Z"},{"id":"openSUSE-SU-2024:10676-1","title":"ceph-16.2.6.45+g8fda9838398-1.1 on GA media","description":"These are all security issues fixed in the ceph-16.2.6.45+g8fda9838398-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:26:40.49272Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"USN-4706-1","title":"ceph vulnerabilities","description":"Olle Segerdahl found that ceph-mon and ceph-mgr daemons did not properly\nrestrict access, resulting in gaining access to unauthorized resources. An\nauthenticated user could use this vulnerability to modify the configuration and\npossibly conduct further attacks. (CVE-2020-10736)\n\nAdam Mohammed found that Ceph Object Gateway was vulnerable to HTTP header\ninjection via a CORS ExposeHeader tag. An attacker could use this to gain access\nor cause a crash. (CVE-2020-10753)\n\nIlya Dryomov found that Cephx authentication did not verify Ceph clients\ncorrectly and was then vulnerable to replay attacks in Nautilus. An attacker\ncould use the Ceph cluster network to authenticate via a packet sniffer and\nperform actions. This issue is a reintroduction of CVE-2018-1128.\n(CVE-2020-25660)\n","status":"published","published":"2021-01-28T13:40:18Z","modified":"2026-04-22T10:10:33.981989Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}