{"id":"CVE-2023-24456","aliases":["EUVD-2023-0427","GHSA-9963-gmh8-vvm6"],"status":"published","title":"Session fixation vulnerability in Jenkins Keycloak Authentication Plugin","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","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":"2026-11-10","score":0.01239,"percentile":0.6937,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-384"],"published":"2023-01-24T00:00:00Z","modified":"2026-06-17T05:39:17Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:keycloak","fixed_in":["2.3.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:keycloak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.0"},{"fixed":"2.3.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:keycloak","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1"}]}],"versions":["2.0.1","2.0.2","2.0.3","2.1.0","2.1.1","2.2.0","2.3.0"]}],"products":[{"vendor":"jenkins","product":"keycloak_authentication"},{"vendor":"jenkins project","product":"jenkins keycloak authentication plugin"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2023-01-24/#SECURITY-2987","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24456","tags":["advisory"]},{"url":"https://github.com/jenkinsci/keycloak-plugin/commit/11ae47695dc7c60f6681214aecde2833e050febb","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9963-gmh8-vvm6"}],"sources":{"cve":[{"id":"CVE-2023-24456","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","status":"published","published":"2023-01-24T00:00:00Z","modified":"2025-04-02T13:44:28.02Z","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":"adp"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:35:27.006218Z"}],"euvd":[{"id":"EUVD-2023-0427","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","status":"published","published":"2023-01-24T00:00:00Z","modified":"2025-04-02T13:44:28Z","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":"2026-11-02T20:52:45.339497Z"}],"ghsa":[{"id":"GHSA-9963-gmh8-vvm6","title":"Session fixation vulnerability in Jenkins Keycloak Authentication Plugin","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","status":"published","published":"2023-01-26T21:30:18Z","modified":"2024-01-05T17:13:21Z","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-384"],"updated_at":"2026-11-02T14:37:30.183224Z"}],"nvd":[{"id":"CVE-2023-24456","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","status":"published","published":"2023-01-26T21:18:18.957Z","modified":"2026-06-17T05:39:17.593Z","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":"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":"secondary"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:07:46.064662Z"}],"osv":[{"id":"GHSA-9963-gmh8-vvm6","title":"Session fixation vulnerability in Jenkins Keycloak Authentication Plugin","description":"Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.","status":"published","published":"2023-01-26T21:30:18Z","modified":"2024-02-16T08:24:33.294591Z","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-384"],"updated_at":"2026-11-02T15:46:43.524801Z"}]}}