{"id":"CVE-2021-21631","aliases":["GHSA-xv69-6rf3-w5g2"],"url":"https://o3.security/vulnerability/CVE-2021-21631","summary":"Missing permission check in Jenkins Cloud Statistics Plugin","details":"Jenkins Cloud Statistics Plugin 0.26 and earlier does not perform a permission check in an HTTP endpoint.\n\nThis allows attackers with Overall/Read permission and knowledge of random activity IDs to view related provisioning exception error messages.\n\nJenkins Cloud Statistics Plugin 0.27 requires Overall/Administer permission to access provisioning exception error messages.","published":"2021-03-30T12:16:10.470Z","modified":"2026-10-24T10:30:54.074157458Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:cloud-stats","fixedVersion":"0.27"}],"fix":{"url":"https://github.com/jenkinsci/cloud-stats-plugin/commit/07dd3da346a65083a93a071036409f1128e0b133","label":"jenkinsci/cloud-stats-plugin@07dd3da"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/03/30/1"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2246"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21631"},{"type":"WEB","url":"https://github.com/jenkinsci/cloud-stats-plugin/commit/07dd3da346a65083a93a071036409f1128e0b133"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/cloud-stats-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:54.074157458Z"}}