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TI-2005-02563 Aliases CVE-2005-2700GHSA-6h5v-qgqr-fmq8

ssl_engine_kernel.c in mod_ssl before 2.8.24, when using "SSLVerifyClient optional" in…

Priority HIGH 67Published · 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
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

ssl_engine_kernel.c in mod_ssl before 2.8.24, when using "SSLVerifyClient optional" in the global virtual host configuration, does not properly enforce "SSLVerifyClient require" in a per-location context, which allows remote attackers to bypass intended access restrictions.

Why it matters now

EPSS 0.30576 98th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

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 · 5

CPEVersionsRoleVendor
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*2.0.35 to before 2.0.55VulnerableApache
cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:*3.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*3.1VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*4.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:*5.04VulnerableCanonical
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.0.35 to before 2.0.55 Vulnerable ·Apache
  • cpe:2.3:o:debian:debian_linux:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:* Versions 5.04 Vulnerable ·Canonical

Remediation

Red Hat 3 advisories

  • RHSA-2005:882 Released 2005-12-19 · Red Hat rating Important
    openssl, php, mod_ssl, mod_imap security update for Stronghold
    • Red Hat Stronghold 4
  • RHSA-2005:773 Released 2005-09-15 · Red Hat rating Important
    mod_ssl security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1
    • Red Hat Linux Advanced Workstation 2.1
  • RHSA-2005:608 Released 2005-09-06 · Red Hat rating Important
    httpd security update
    • Red Hat Desktop version 3 httpd-2.0.46-46.3.ent, httpd-2.0.46-46.3.ent.i386, httpd-devel-2.0.46-46.3.ent +3
    • Red Hat Enterprise Linux AS version 3 httpd-2.0.46-46.3.ent, httpd-2.0.46-46.3.ent.i386, httpd-2.0.46-46.3.ent.ia64 +9
    • Red Hat Enterprise Linux AS version 4 httpd-2.0.52-12.2.ent, httpd-2.0.52-12.2.ent.i386, httpd-2.0.52-12.2.ent.ia64 +17
    • Red Hat Enterprise Linux Desktop version 4 httpd-2.0.52-12.2.ent, httpd-2.0.52-12.2.ent.i386, httpd-devel-2.0.52-12.2.ent +7
    • Red Hat Enterprise Linux ES version 3 httpd-2.0.46-46.3.ent, httpd-2.0.46-46.3.ent.i386, httpd-2.0.46-46.3.ent.ia64 +6
    • Red Hat Enterprise Linux ES version 4 httpd-2.0.52-12.2.ent, httpd-2.0.52-12.2.ent.i386, httpd-2.0.52-12.2.ent.ia64 +12
    • Red Hat Enterprise Linux WS version 3 httpd-2.0.46-46.3.ent, httpd-2.0.46-46.3.ent.i386, httpd-2.0.46-46.3.ent.ia64 +6
    • Red Hat Enterprise Linux WS version 4 httpd-2.0.52-12.2.ent, httpd-2.0.52-12.2.ent.i386, httpd-2.0.52-12.2.ent.ia64 +12

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2005:608
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2005:773
Red Hat Enterprise Linux AS version 3Fixed RHSA-2005:608
Red Hat Enterprise Linux AS version 4Fixed RHSA-2005:608
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2005:608
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2005:773
Red Hat Enterprise Linux ES version 3Fixed RHSA-2005:608
Red Hat Enterprise Linux ES version 4Fixed RHSA-2005:608
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2005:773
Red Hat Enterprise Linux WS version 3Fixed RHSA-2005:608
Red Hat Enterprise Linux WS version 4Fixed RHSA-2005:608
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2005:773
Red Hat Stronghold 4Fixed RHSA-2005:882
Stronghold 4.0 for Red Hat Enterprise Linux AS (version 2.1)Fixed RHSA-2005:816

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2700
  2. 2026-10-03 Alias added: GHSA-6h5v-qgqr-fmq8

References

Advisory 22

Other 20

Sources

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