{"id":"CVE-2020-2179","aliases":["GHSA-324h-2v7h-q3xx"],"url":"https://o3.security/vulnerability/CVE-2020-2179","summary":"RCE vulnerability in Jenkins Yaml Axis Plugin","details":"Yaml Axis Plugin 0.2.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution (RCE) vulnerability exploitable by users able to configure a multi-configuration (Matrix) job, or control the contents of a previously configured job’s SCM repository.\n\nYaml Axis Plugin 0.2.1 configures its YAML parser to only instantiate safe types.","published":"2020-04-16T19:15:28.493Z","modified":"2026-07-09T00:13:36.307875Z","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:yaml-axis","fixedVersion":"0.2.1"}],"fix":{"url":"https://github.com/jenkinsci/yaml-axis-plugin/commit/346802860c68a5a9bb4996c81fed4e05bee594f4","label":"jenkinsci/yaml-axis-plugin@3468028"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/04/16/4"},{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2020-04-16/#SECURITY-1825"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2179"},{"type":"WEB","url":"https://github.com/jenkinsci/yaml-axis-plugin/commit/346802860c68a5a9bb4996c81fed4e05bee594f4"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/yaml-axis-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:13:36.307875Z"}}