CVE-2005-2963

CVE-2005-2963 is a high-severity vulnerability in Mod Auth Shadow with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The mod_auth_shadow module 1.0 through 1.5 and 2.0 for Apache with AuthShadow enabled uses shadow authentication for all locations that use the require group directive, even when other authentication mechanisms are specified, which might allow remote authenticated users to bypass security restrictions.

Frequently asked questions

What is CVE-2005-2963?
The mod_auth_shadow module 1.0 through 1.5 and 2.0 for Apache with AuthShadow enabled uses shadow authentication for all locations that use the require group directive, even when other authentication mechanisms are specified, which might allow remote authenticated users to bypass security restrictions.
How severe is CVE-2005-2963?
CVE-2005-2963 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2963 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2963?
CVE-2005-2963 primarily affects Mod Auth Shadow. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2963?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-2963 published?
CVE-2005-2963 was published on 2005-10-13 and last updated on 2026-06-16.

References

Affected products (7)

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