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.
CVE-2005-2963
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 82.4%
- KEV
- Not listed
Published
October 13, 2005
Last Modified
April 16, 2026
References (18)
- security@debianhttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=323789
- security@debianhttp://frontal1.mandriva.com/security/advisories?name=MDKSA-2005:200
- security@debianhttp://secunia.com/advisories/17060/
- security@debianhttp://secunia.com/advisories/17067
- security@debianhttp://secunia.com/advisories/17348
- security@debianhttp://www.debian.org/security/2005/dsa-844
- security@debianhttp://www.osvdb.org/19863
- security@debianhttp://www.securityfocus.com/bid/15224
- security@debianhttps://exchange.xforce.ibmcloud.com/vulnerabilities/22520
- af854a3a-2127-422b-91ae-364da2661108http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=323789
- af854a3a-2127-422b-91ae-364da2661108http://frontal1.mandriva.com/security/advisories?name=MDKSA-2005:200
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17060/
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17067
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17348
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2005/dsa-844
Frequently asked(4)
What is CVE-2005-2963?
CVE-2005-2963 is a none vulnerability published on October 13, 2005. The modauthshadow 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…
When was CVE-2005-2963 disclosed?
CVE-2005-2963 was first published in the National Vulnerability Database on October 13, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2005-2963 actively exploited?
CVE-2005-2963 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2005-2963?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-2963, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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