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TI-2015-01877 Aliases CVE-2015-2091GHSA-pgq5-v38c-mjg3

The authentication hook (mgs_hook_authz) in mod-gnutls 0.5.10 and earlier does not…

Priority LOW 29CWE-310Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.0325 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:mod-gnutls:*:*:*:*:*:*:*:*up to 0.5.1VulnerableApache
  • cpe:2.3:a:apache:mod-gnutls:*:*:*:*:*:*:*:* Versions up to 0.5.1 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-2091
  2. 2026-10-03 Alias added: GHSA-pgq5-v38c-mjg3

References

Advisory 3

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences