{"id":"CVE-2020-2301","aliases":["EUVD-2022-3291","GHSA-954f-xw44-56r2"],"status":"published","title":"Authentication cache in Active Directory Jenkins Plugin allows logging in with any password","description":"Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication of that user is still in the optional cache when using Windows/ADSI mode.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.017,"percentile":0.77366,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2020-11-04T14:35:37Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:active-directory","fixed_in":["2.20","2.16.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:active-directory","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.17"},{"fixed":"2.20"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:active-directory","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:active-directory","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.17"},{"fixed":"2.20"}]}],"versions":["2.17","2.18","2.19"]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:active-directory","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.1"}]}],"versions":["1.18","1.19","1.20","1.21","1.22","1.23","1.24","1.25","1.26","1.27","1.28","1.29","1.30","1.31","1.32","1.33","1.34","1.35","1.36","1.37","1.38","1.39","1.41","1.42","1.43","1.44","1.45","1.46","1.47","1.48","1.49","2.0","2.1","2.10","2.11","2.12","2.13","2.14","2.15","2.16","2.2","2.3","2.4","2.5","2.6","2.7","2.8","2.9"]}],"products":[{"vendor":"jenkins","product":"active_directory"},{"vendor":"jenkins project","product":"jenkins active directory plugin"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2123","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2301","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelist/blob/381fe967666a5ce01625a7a050427aa4757e3ca6/2020/2xxx/CVE-2020-2301.json","tags":["web"]},{"url":"https://github.com/jenkinsci/active-directory-plugin/commit/57e78ea7bb96b4e59405f28959ade2d26821163d","tags":["web"]},{"url":"https://github.com/advisories/GHSA-954f-xw44-56r2"},{"url":"https://github.com/jenkinsci/active-directory-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-2301","description":"Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication of that user is still in the optional cache when using Windows/ADSI mode.","status":"published","published":"2020-11-04T14:35:37Z","modified":"2024-08-04T07:09:54.474Z","updated_at":"2026-11-02T14:35:51.206854Z"}],"euvd":[{"id":"EUVD-2022-3291","description":"Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication of that user is still in the optional cache when using Windows/ADSI mode.","status":"published","published":"2020-11-04T14:35:37Z","modified":"2024-08-04T07:09:54Z","updated_at":"2026-11-03T03:08:09.929524Z"}],"ghsa":[{"id":"GHSA-954f-xw44-56r2","title":"Authentication cache in Active Directory Jenkins Plugin allows logging in with any password","description":"Jenkins Active Directory Plugin implements two separate modes: Integration with ADSI on Windows, and an OS agnostic LDAP-based mode. Optionally, to reduce lookup time, a cache can be configured to remember user lookups and user authentications.\n\nIn Active Directory Plugin prior to 2.20 and 2.16.1, when run in Windows/ADSI mode, the provided password was not used when looking up an applicable cache entry. This allows attackers to log in as any user using any password while a successful authentication of that user is still in the cache.\n\nAs a workaround for this issue, the cache can be disabled.\n\nActive Directory Plugin 2.20 and 2.16.1 includes the provided password in cache entry lookup.\n\nAdditionally, the Java system property `hudson.plugins.active_directory.CacheUtil.noCacheAuth` can be set to `true` to no longer cache user authentications.","status":"published","published":"2022-05-24T17:33:07Z","modified":"2023-12-14T19:20:47Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:37:26.012325Z"}],"nvd":[{"id":"CVE-2020-2301","description":"Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication of that user is still in the optional cache when using Windows/ADSI mode.","status":"published","published":"2020-11-04T15:15:11.193Z","modified":"2026-06-17T03:12:10.397Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:21.80969Z"}],"osv":[{"id":"CVE-2020-2301","description":"Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication of that user is still in the optional cache when using Windows/ADSI mode.","status":"published","published":"2020-11-04T15:15:11.193Z","modified":"2026-10-24T10:30:42.595704142Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:15.534837Z"},{"id":"GHSA-954f-xw44-56r2","title":"Authentication cache in Active Directory Jenkins Plugin allows logging in with any password","description":"Jenkins Active Directory Plugin implements two separate modes: Integration with ADSI on Windows, and an OS agnostic LDAP-based mode. Optionally, to reduce lookup time, a cache can be configured to remember user lookups and user authentications.\n\nIn Active Directory Plugin prior to 2.20 and 2.16.1, when run in Windows/ADSI mode, the provided password was not used when looking up an applicable cache entry. This allows attackers to log in as any user using any password while a successful authentication of that user is still in the cache.\n\nAs a workaround for this issue, the cache can be disabled.\n\nActive Directory Plugin 2.20 and 2.16.1 includes the provided password in cache entry lookup.\n\nAdditionally, the Java system property `hudson.plugins.active_directory.CacheUtil.noCacheAuth` can be set to `true` to no longer cache user authentications.","status":"published","published":"2022-05-24T17:33:07Z","modified":"2024-02-16T08:24:53.979545Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:43.123867Z"}]}}