{"id":"CVE-2021-21656","aliases":["GHSA-wfxp-4qgw-qp3c"],"url":"https://o3.security/vulnerability/CVE-2021-21656","summary":"XML external entity (XXE) attacks in Jenkins Xcode integration Plugin","details":"Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.","published":"2021-05-11T15:15:08.183Z","modified":"2026-07-08T23:58:42.369147Z","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:xcode-plugin","fixedVersion":"2.0.15"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2335"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:58:42.369147Z"}}