{"id":"CVE-2021-21677","aliases":["EUVD-2022-2537","GHSA-58pr-hprx-7hg6"],"status":"published","title":"RCE vulnerability in Jenkins Code Coverage API Plugin","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.","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":0.02213,"percentile":0.82851,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2021-08-31T13:50:13Z","modified":"2026-10-24T10:30:18Z","fixes":[{"ecosystem":"Maven","package":"io.jenkins.plugins:code-coverage-api","fixed_in":["1.4.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"io.jenkins.plugins:code-coverage-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.4.0"},{"fixed":"1.4.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"io.jenkins.plugins:code-coverage-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.1"}]}],"versions":["1.0.0","1.0.0-alpha-1","1.0.0-rc-1","1.0.1","1.0.10","1.0.11","1.0.12","1.0.13","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.2.0","1.2.1","1.3.1","1.3.2","1.4.0"]}],"products":[{"vendor":"jenkins","product":"code_coverage_api"},{"vendor":"jenkins project","product":"jenkins code coverage api plugin"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2021-08-31/#SECURITY-2376","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2021/08/31/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21677","tags":["advisory"]},{"url":"https://github.com/jenkinsci/code-coverage-api-plugin/commit/a5b3c18cff2a0b494c55fa73b05fc935b50530be","tags":["web"]},{"url":"https://github.com/advisories/GHSA-58pr-hprx-7hg6"},{"url":"https://github.com/jenkinsci/code-coverage-api-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-21677","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.","status":"published","published":"2021-08-31T13:50:13Z","modified":"2024-08-03T18:23:27.501Z","updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2022-2537","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.","status":"published","published":"2021-08-31T13:50:13Z","modified":"2024-08-03T18:23:27Z","updated_at":"2026-11-03T03:25:05.131984Z"}],"ghsa":[{"id":"GHSA-58pr-hprx-7hg6","title":"RCE vulnerability in Jenkins Code Coverage API Plugin","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply [JEP-200 deserialization protection](https://github.com/jenkinsci/jep/tree/master/jep/200) to Java objects it deserializes from disk.\n\nThis results in a remote code execution (RCE) vulnerability exploitable by attackers able to control agent processes.\n\nJenkins Code Coverage API Plugin 1.4.1 configures its Java object deserialization to only deserialize safe types.","status":"published","published":"2022-05-24T19:12:36Z","modified":"2023-12-15T10:21:22Z","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-502"],"updated_at":"2026-11-02T14:37:26.012325Z"}],"nvd":[{"id":"CVE-2021-21677","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.","status":"published","published":"2021-08-31T14:15:25.447Z","modified":"2026-06-17T03:35:58.857Z","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"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:57.67549Z"}],"osv":[{"id":"CVE-2021-21677","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.","status":"published","published":"2021-08-31T14:15:25.447Z","modified":"2026-10-24T10:30:18.295672918Z","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-58pr-hprx-7hg6","title":"RCE vulnerability in Jenkins Code Coverage API Plugin","description":"Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply [JEP-200 deserialization protection](https://github.com/jenkinsci/jep/tree/master/jep/200) to Java objects it deserializes from disk.\n\nThis results in a remote code execution (RCE) vulnerability exploitable by attackers able to control agent processes.\n\nJenkins Code Coverage API Plugin 1.4.1 configures its Java object deserialization to only deserialize safe types.","status":"published","published":"2022-05-24T19:12:36Z","modified":"2024-02-16T08:22:02.827686Z","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-502"],"updated_at":"2026-11-02T15:46:38.213481Z"}]}}