{"cve":"CVE-2021-21658","nvd":{"published":"2021-05-25T17:15:08.073","modified":"2026-06-17T03:35:56.880","status":"Modified","description":"Jenkins Nuget Plugin 1.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":[],"references":["http://www.openwall.com/lists/oss-security/2021/05/25/3","https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2340","http://www.openwall.com/lists/oss-security/2021/05/25/3","https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2340"],"products":["jenkins:nuget"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-21658","score":0.01536,"percentile":0.74861,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p674-hh8x-rv5h","url":"https://osv.dev/vulnerability/GHSA-p674-hh8x-rv5h","summary":"XML external entity vulnerability in Jenkins Nuget Plugin","modified":"2024-02-16T08:15:31.353768Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:nuget","purl":"pkg:maven/org.jenkins-ci.plugins/nuget","ranges":["<1.1"],"fixed":["1.1"]}]}],"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."]}