{"id":"CVE-2021-21617","aliases":["GHSA-42mm-x828-56c7"],"url":"https://o3.security/vulnerability/CVE-2021-21617","summary":"CSRF vulnerability in Jenkins Configuration Slicing Plugin","details":"Jenkins Configuration Slicing Plugin 1.51 and earlier does not require POST requests for the form submission endpoint reconfiguring slices, resulting in a cross-site request forgery (CSRF) vulnerability.\n\nThis vulnerability allows attackers to apply different slice configurations to attacker-specified jobs.\n\nJenkins Configuration Slicing Plugin 1.52 requires POST requests for the affected HTTP endpoint.","published":"2021-02-24T16:15:14.807Z","modified":"2026-07-09T00:37:54.270794Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.00943,"percentile":0.59353,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:configurationslicing","fixedVersion":"1.52"}],"fix":{"url":"https://github.com/jenkinsci/configurationslicing-plugin/commit/b22b82df3654e8379466a51de4391884aa4d6156","label":"jenkinsci/configurationslicing-plugin@b22b82d"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/02/24/3"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2003"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21617"},{"type":"WEB","url":"https://github.com/jenkinsci/configurationslicing-plugin/commit/b22b82df3654e8379466a51de4391884aa4d6156"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/configurationslicing-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:37:54.270794Z"}}