{"id":"CVE-2021-21680","aliases":["GHSA-5wc4-w63v-97c3"],"url":"https://o3.security/vulnerability/CVE-2021-21680","summary":"XXE vulnerability in Jenkins Nested View Plugin","details":"Jenkins Nested View Plugin 1.20 and earlier does not configure its XML transformer to prevent XML external entity (XXE) attacks.\n\nThis allows attackers able to configure views to have Jenkins parse a crafted view XML definition that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.\n\nJenkins Nested View Plugin 1.21 disables external entity resolution for its XML transformer.","published":"2021-08-31T14:15:25.607Z","modified":"2026-10-24T10:30:19.196480462Z","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":{"score":0.01321,"percentile":0.68272,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:nested-view","fixedVersion":"1.21"}],"fix":{"url":"https://github.com/jenkinsci/nested-view-plugin/commit/79787294f034b3009c3de557c6441c9ceba936b8","label":"jenkinsci/nested-view-plugin@7978729"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/08/31/1"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-08-31/#SECURITY-2411"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21680"},{"type":"WEB","url":"https://github.com/jenkinsci/nested-view-plugin/commit/79787294f034b3009c3de557c6441c9ceba936b8"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/nested-view-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:19.196480462Z"}}