{"id":"GHSA-2vvr-5757-qp87","summary":"Open redirect vulnerability in Jenkins CAS Plugin","details":"Jenkins CAS Plugin 1.6.0 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins.\n\nThis allows attackers to perform phishing attacks by having users go to a Jenkins URL that will forward them to a different site after successful authentication.\n\nJenkins CAS Plugin 1.6.1 only redirects to relative (Jenkins) URLs.","aliases":["CVE-2021-21673"],"modified":"2024-02-16T08:13:13.036992Z","published":"2022-05-24T19:06:35Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2022-12-16T15:19:45Z","nvd_published_at":"2021-06-30T17:15:00Z","cwe_ids":["CWE-601"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21673"},{"type":"WEB","url":"https://github.com/jenkinsci/cas-plugin/commit/8ac536a953156160dbabb61bdb3b9bc75c3d0ef9"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/cas-plugin"},{"type":"WEB","url":"https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2387"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2021/06/30/1"}],"affected":[{"package":{"name":"org.jenkins-ci.plugins:cas-plugin","ecosystem":"Maven","purl":"pkg:maven/org.jenkins-ci.plugins/cas-plugin"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.1"}]}],"versions":["1.0.0","1.1.0","1.1.1","1.1.2","1.2.0","1.3.0","1.4.0","1.4.1","1.4.2","1.4.3","1.5.0","1.6.0"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.6.0","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-2vvr-5757-qp87/GHSA-2vvr-5757-qp87.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}