{"cve":"CVE-2021-21647","nvd":{"published":"2021-04-21T15:15:08.477","modified":"2026-06-17T03:35:55.817","status":"Modified","description":"Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.","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/2021/04/21/2","https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309","http://www.openwall.com/lists/oss-security/2021/04/21/2","https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309"],"products":["jenkins:cloudbees_cd"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-21647","score":0.01456,"percentile":0.73478,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7rx6-4vwv-432g","url":"https://osv.dev/vulnerability/GHSA-7rx6-4vwv-432g","summary":"Missing permission check in Jenkins CloudBees CD Plugin allows scheduling builds","modified":"2024-02-16T08:11:58.156699Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:electricflow","purl":"pkg:maven/org.jenkins-ci.plugins/electricflow","ranges":["<1.1.18.1"],"fixed":["1.1.18.1"]},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:electricflow","purl":"pkg:maven/org.jenkins-ci.plugins/electricflow","ranges":[">=1.1.19 <1.1.22"],"fixed":["1.1.22"]}]}],"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."]}