{"cve":"CVE-2015-2091","nvd":{"published":"2015-03-13T14:59:02.020","modified":"2026-06-17T00:23:35.020","status":"Modified","description":"The authentication hook (mgs_hook_authz) in mod-gnutls 0.5.10 and earlier does not validate client certificates when \"GnuTLSClientVerify require\" is set, which allows remote attackers to spoof clients via a crafted certificate.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://issues.outoforder.cc/view.php?id=93","http://www.debian.org/security/2015/dsa-3177","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663","https://security.gentoo.org/glsa/201709-04","http://issues.outoforder.cc/view.php?id=93"],"products":["apache:mod-gnutls"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-2091","score":0.0325,"percentile":0.88334,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}