{"cve":"CVE-2021-21682","nvd":{"published":"2021-10-06T23:15:06.860","modified":"2026-06-17T03:35:59.373","status":"Modified","description":"Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3},"cwes":[],"references":["http://www.openwall.com/lists/oss-security/2021/10/06/1","https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424","http://www.openwall.com/lists/oss-security/2021/10/06/1","https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424"],"products":["jenkins:jenkins"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-21682","score":0.00999,"percentile":0.62786,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6q4g-84f3-mw74","url":"https://osv.dev/vulnerability/GHSA-6q4g-84f3-mw74","summary":"Improper handling of equivalent directory names on Windows in Jenkins","modified":"2024-02-16T08:13:07.680519Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":[">=2.304 <2.315"],"fixed":["2.315"]},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":["<2.303.2"],"fixed":["2.303.2"]}]}],"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."]}