{"id":"CVE-2020-2109","aliases":["GHSA-99mf-f3qh-wqrp"],"url":"https://o3.security/vulnerability/CVE-2020-2109","summary":"Improper Input Validation in Jenkins Pipeline: Groovy Plugin","details":"Sandbox protection in Jenkins Pipeline: Groovy Plugin 2.78 and earlier can be circumvented through default parameter expressions in CPS-transformed methods.","published":"2020-02-12T15:15:12.430Z","modified":"2026-07-08T19:02:04.471025Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins.workflow:workflow-cps","fixedVersion":"2.79"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/02/12/3"},{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2020-02-12/#SECURITY-1710"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T19:02:04.471025Z"}}