{"id":"CVE-2020-2306","aliases":["GHSA-vrrc-3wwh-frgx"],"url":"https://o3.security/vulnerability/CVE-2020-2306","summary":"Missing Authorization in Jenkins Mercurial Plugin","details":"Mercurial Plugin prior to 2.12, 2.10.1, 2.9.1, and 2.8.1 does not perform a permission check in an HTTP endpoint.\n\nThis allows attackers with Overall/Read permission to obtain a list of names of configured Mercurial installations.\n\nMercurial Plugin 2.12, 2.10.1, 2.9.1, and 2.8.1 performs permission checks when listing configured Mercurial installations.","published":"2020-11-04T15:15:11.583Z","modified":"2026-07-08T20:41:48.470766Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mercurial","fixedVersion":"2.12"},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mercurial","fixedVersion":"2.10.1"},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mercurial","fixedVersion":"2.9.1"},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:mercurial","fixedVersion":"2.8.1"}],"fix":{"url":"https://github.com/jenkinsci/mercurial-plugin/commit/edd59db1eec7e3c8d467372cd8417ae65eeb29dd","label":"jenkinsci/mercurial-plugin@edd59db"},"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2104"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2306"},{"type":"WEB","url":"https://github.com/jenkinsci/mercurial-plugin/commit/edd59db1eec7e3c8d467372cd8417ae65eeb29dd"},{"type":"WEB","url":"https://github.com/CVEProject/cvelist/blob/381fe967666a5ce01625a7a050427aa4757e3ca6/2020/2xxx/CVE-2020-2306.json"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:41:48.470766Z"}}