{"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":"2026-10-24T10:30:31.449699178Z","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":{"url":"https://github.com/jenkinsci/xcode-plugin/commit/01335f1f4734e4a7eda69b28e182ecd4c34a1a4b","label":"jenkinsci/xcode-plugin@01335f1"},"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2335"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21656"},{"type":"WEB","url":"https://github.com/jenkinsci/xcode-plugin/commit/01335f1f4734e4a7eda69b28e182ecd4c34a1a4b"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:31.449699178Z"}}