VULNERABILITY INTELLIGENCE
CVE-2015-2091
CVSS score5 MEDIUM
EPSS probability3.25%
CISA KEVNot currently listed
Published2015-03-13
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N
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.