{"id":"CVE-2020-2298","aliases":["GHSA-wcrg-92wp-4h28"],"url":"https://o3.security/vulnerability/CVE-2020-2298","summary":"XXE vulnerability in Jenkins Nerrvana Plugin","details":"Jenkins Nerrvana Plugin 1.02.06 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.\n\nThis allows attackers with Overall/Read permission to have Jenkins parse a crafted HTTP request with XML data that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.\n\nAdditionally, XML parsing is exposed as a form validation endpoint that does not require POST requests, allowing exploitation by users without Overall/Read permission via CSRF.","published":"2020-10-08T13:15:12.220Z","modified":"2026-07-08T20:29:33.171771Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.01112,"percentile":0.62987,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:nerrvana-plugin","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/10/08/5"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2020-10-08/#SECURITY-2097"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2298"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/nerrvana-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:29:33.171771Z"}}