{"id":"CVE-2021-21646","aliases":["EUVD-2022-4698","GHSA-p6qc-37hq-wqr6"],"status":"published","title":"Remote code execution vulnerability in Jenkins Templating Engine Plugin","description":"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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01749,"percentile":0.78143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-693"],"published":"2021-04-21T14:20:35Z","modified":"2026-10-24T10:30:21Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:templating-engine","fixed_in":["2.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:templating-engine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.1"},{"fixed":"2.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:templating-engine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2"}]}],"versions":["1.0","1.1","1.1.1","1.2","1.3","1.4","1.4.1","1.4.2","1.5","1.5.1","1.5.2","1.6","1.7","1.7.1","2.0","2.0-alpha","2.0-alpha2","2.0.1","2.0.2","2.0.3","2.0.4","2.1"]}],"products":[{"vendor":"jenkins","product":"templating_engine"},{"vendor":"jenkins project","product":"jenkins templating engine plugin"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2021/04/21/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21646","tags":["advisory"]},{"url":"https://github.com/jenkinsci/templating-engine-plugin/commit/aed14bed7333329f51330d0a8111e4d94cdee3e6","tags":["web"]},{"url":"https://github.com/advisories/GHSA-p6qc-37hq-wqr6"},{"url":"https://github.com/jenkinsci/templating-engine-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-21646","description":"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.","status":"published","published":"2021-04-21T14:20:35Z","modified":"2024-08-03T18:16:23.698Z","updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2022-4698","description":"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.","status":"published","published":"2021-04-21T14:20:35Z","modified":"2024-08-03T18:16:23Z","updated_at":"2026-11-03T03:25:05.745586Z"}],"ghsa":[{"id":"GHSA-p6qc-37hq-wqr6","title":"Remote code execution vulnerability in Jenkins Templating Engine Plugin","description":"Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin.\n\nThis vulnerability allows attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.\n\nJenkins Templating Engine Plugin 2.2 integrates with Script Security Plugin to protect its pipeline configurations.","status":"published","published":"2022-05-24T17:48:06Z","modified":"2023-12-22T13:27:25Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:37:28.04129Z"}],"nvd":[{"id":"CVE-2021-21646","description":"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.","status":"published","published":"2021-04-21T15:15:08.44Z","modified":"2026-06-17T03:35:55.72Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:52.03307Z"}],"osv":[{"id":"CVE-2021-21646","description":"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.","status":"published","published":"2021-04-21T15:15:08.44Z","modified":"2026-10-24T10:30:21.219742018Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"GHSA-p6qc-37hq-wqr6","title":"Remote code execution vulnerability in Jenkins Templating Engine Plugin","description":"Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin.\n\nThis vulnerability allows attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.\n\nJenkins Templating Engine Plugin 2.2 integrates with Script Security Plugin to protect its pipeline configurations.","status":"published","published":"2022-05-24T17:48:06Z","modified":"2024-02-16T08:04:01.097229Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:46:52.891208Z"}]}}