{"id":"CVE-2021-21664","aliases":["GHSA-jm4g-8rvq-v87j"],"url":"https://o3.security/vulnerability/CVE-2021-21664","summary":"Incorrect permission check in XebiaLabs XL Deploy Plugin allows capturing credentials","details":"An incorrect permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Generic Create permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.\n\nThe permission check was partially fixed in XebiaLabs XL Deploy Plugin 7.5.9: A permission check was added, but for the wrong permission, still allowing some non-admin users to access the form validation method.\n","published":"2021-06-10T15:15:08.907Z","modified":"2026-07-08T22:15:00.269461Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.xebialabs.deployit.ci:deployit-plugin","fixedVersion":"10.0.2"}],"fix":{"url":"https://github.com/jenkinsci/xldeploy-plugin/commit/79ae204d2ee6cd94badf4c24a150cee13a3bde44","label":"jenkinsci/xldeploy-plugin@79ae204"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/06/10/14"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-1982"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21664"},{"type":"WEB","url":"https://github.com/jenkinsci/xldeploy-plugin/commit/79ae204d2ee6cd94badf4c24a150cee13a3bde44"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/xldeploy-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:15:00.269461Z"}}