{"id":"CVE-2020-2123","aliases":["GHSA-723p-9rcj-xv8j"],"url":"https://o3.security/vulnerability/CVE-2020-2123","summary":"RCE vulnerability in RadarGun Plugin","details":"RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution vulnerability exploitable by users able to configure RadarGun Plugin’s build step.\n\nRadarGun Plugin 1.8 configures its YAML parser to only instantiate safe types.","published":"2020-02-12T15:15:13.820Z","modified":"2026-10-24T10:30:26.868794104Z","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:radargun","fixedVersion":"1.8"}],"fix":{"url":"https://github.com/jenkinsci/radargun-plugin/commit/63aba3b31d1a8ea140f26923eb48a25ef7f87e87","label":"jenkinsci/radargun-plugin@63aba3b"},"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-1733"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2123"},{"type":"WEB","url":"https://github.com/jenkinsci/radargun-plugin/commit/63aba3b31d1a8ea140f26923eb48a25ef7f87e87"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/radargun-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:26.868794104Z"}}