{"id":"CVE-2021-21658","aliases":["GHSA-p674-hh8x-rv5h"],"url":"https://o3.security/vulnerability/CVE-2021-21658","summary":"XML external entity vulnerability in Jenkins Nuget Plugin","details":"Jenkins Nuget Plugin 1.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.","published":"2021-05-25T17:15:08.073Z","modified":"2026-07-08T23:58:40.468799Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:nuget","fixedVersion":"1.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/05/25/3"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2340"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:58:40.468799Z"}}