{"id":"CVE-2021-21647","aliases":["GHSA-7rx6-4vwv-432g"],"url":"https://o3.security/vulnerability/CVE-2021-21647","summary":"Missing permission check in Jenkins CloudBees CD Plugin allows scheduling builds","details":"Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.","published":"2021-04-21T15:15:08.477Z","modified":"2026-07-08T21:25:45.389573Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"epss":{"score":0.01456,"percentile":0.7106,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:electricflow","fixedVersion":"1.1.18.1"},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:electricflow","fixedVersion":"1.1.22"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/21/2"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:25:45.389573Z"}}