{"cve":"CVE-2021-21623","nvd":{"published":"2021-03-18T14:15:13.227","modified":"2026-06-17T03:35:53.413","status":"Modified","description":"An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-863"],"references":["http://www.openwall.com/lists/oss-security/2021/03/18/5","https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180","http://www.openwall.com/lists/oss-security/2021/03/18/5","https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180"],"products":["jenkins:matrix_authorization_strategy"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-21623","score":0.01011,"percentile":0.63189,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-96jw-3xw4-mq9p","url":"https://osv.dev/vulnerability/GHSA-96jw-3xw4-mq9p","summary":"Incorrect permission checks in Jenkins Matrix Authorization Strategy Plugin may allow accessing some items","modified":"2024-02-16T08:11:48.827845Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:matrix-auth","purl":"pkg:maven/org.jenkins-ci.plugins/matrix-auth","ranges":["<2.6.6"],"fixed":["2.6.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}