{"id":"CVE-2020-2303","aliases":["GHSA-2wf5-4mf7-vmh3"],"url":"https://o3.security/vulnerability/CVE-2020-2303","summary":"CSRF vulnerability in Jenkins Active Directory Plugin","details":"Jenkins Active Directory Plugin 2.19 and earlier does not require POST requests for multiple HTTP endpoints implementing connection and authentication tests, resulting in cross-site request forgery (CSRF) vulnerabilities.\n\nThis vulnerability allows attackers to perform connection tests, connecting to attacker-specified or previously configured Active Directory servers using attacker-specified credentials.\n\nActive Directory Plugin 2.20 requires POST requests for the affected HTTP endpoints.","published":"2020-11-04T15:15:11.333Z","modified":"2026-10-24T10:31:02.341436626Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:active-directory","fixedVersion":"2.20"}],"fix":{"url":"https://github.com/jenkinsci/active-directory-plugin/commit/3558971237b80e71e913ead9e82a722e9d5576b8","label":"jenkinsci/active-directory-plugin@3558971"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/04/6"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2126"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2303"},{"type":"WEB","url":"https://github.com/jenkinsci/active-directory-plugin/commit/3558971237b80e71e913ead9e82a722e9d5576b8"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/active-directory-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:31:02.341436626Z"}}