{"id":"BIT-jenkins-2021-21686","details":"File path filters in the agent-to-controller security subsystem of Jenkins LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.","aliases":["CVE-2021-21686","GHSA-4g38-hrm4-rg94"],"modified":"2026-09-08T08:47:38.524629353Z","published":"2024-03-06T11:01:00.169Z","database_specific":{"cpes":["cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*","cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*"],"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21686"}],"affected":[{"package":{"name":"jenkins","ecosystem":"Bitnami","purl":"pkg:bitnami/jenkins"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.319.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/jenkins/BIT-jenkins-2021-21686.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}