What’s Vulnerable › Vulnerabilities

CVE-2013-4566

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-12-12 · updated 2026-06-16
• Weakness: CWE-264

Description

mod_nss 1.0.8 and earlier, when NSSVerifyClient is set to none for the server/vhost context, does not enforce the NSSVerifyClient setting in the directory context, which allows remote attackers to bypass intended access restrictions.

Affected products

• Mod Nss Project Mod Nss: through 1.0.8; 1.0, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6 (+1)
• Red Hat Enterprise Linux: 5, 6.0

References

• http://lists.opensuse.org/opensuse-updates/2013-12/msg00118.html
• http://rhn.redhat.com/errata/RHSA-2013-1779.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1016832
• http://lists.opensuse.org/opensuse-updates/2013-12/msg00118.html
• http://rhn.redhat.com/errata/RHSA-2013-1779.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1016832

Get alerted when CVE-2013-4566 or the next vulnerability affects your stack