{"id":"CVE-2017-1000396","aliases":["GHSA-fq9f-9wv9-rfmg"],"url":"https://o3.security/vulnerability/CVE-2017-1000396","summary":"Improper Certificate Validation in Jenkins","details":"Jenkins 2.73.1 and earlier, 2.83 and earlier bundled a version of the commons-httpclient library with the vulnerability CVE-2012-6153 that incorrectly verified SSL certificates, making it susceptible to man-in-the-middle attacks. This library is widely used as a transitive dependency in Jenkins plugins. The fix for CVE-2012-6153 was backported to the version of commons-httpclient that is bundled in core and made available to plugins.","published":"2018-01-26T02:29:00.893Z","modified":"2026-07-08T15:09:59.485489Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.73.2"},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.84"}],"fix":{"url":"https://github.com/jenkinsci/jenkins/commit/fe77d1c3dbf91ddf2a9f8e5ed882611455ab00d0","label":"jenkinsci/jenkins@fe77d1c"},"references":[{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2017-10-11/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000396"},{"type":"WEB","url":"https://github.com/jenkinsci/jenkins/commit/fe77d1c3dbf91ddf2a9f8e5ed882611455ab00d0"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/jenkins"},{"type":"WEB","url":"https://jenkins.io/security/advisory/2017-10-11"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T15:09:59.485489Z"}}