{"id":"CVE-2021-21646","details":"Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.","aliases":["GHSA-p6qc-37hq-wqr6"],"modified":"2026-04-12T01:01:46.095295Z","published":"2021-04-21T15:15:08.440Z","references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/21/2"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jenkinsci/templating-engine-plugin","events":[{"introduced":"0"},{"last_affected":"20b19f3dc87b64948d0dfb4cbb917a23aabdd118"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:jenkins:templating_engine:*:*:*:*:*:jenkins:*:*"}}],"versions":["1.1","1.1.1","1.3","1.4","1.4.1","1.4.2","1.5","1.5.1","1.5.2","1.6","1.7","2.0.2","2.1","v1.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-21646.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}