Strix
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CVE-2013-4304

UnknownEPSS 2.08%

Last modified

CVE-2013-4304 is a vulnerability of currently unknown severity. The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.. EPSS estimates a 2.08% chance of exploitation in the next 30 days.

Description

The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.

Metrics

EPSS Probability
2.08%

79.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Brion VibberCentralauth ExtensionAll versions
MediawikiMediawiki1.19
MediawikiMediawiki1.19.0
MediawikiMediawiki1.19.1
MediawikiMediawiki1.19.2
MediawikiMediawiki1.19.3
MediawikiMediawiki1.19.4
MediawikiMediawiki1.19.5
MediawikiMediawiki1.19.6
MediawikiMediawiki1.19.7
MediawikiMediawiki1.20
MediawikiMediawiki1.20.1
MediawikiMediawiki1.20.2
MediawikiMediawiki1.20.3
MediawikiMediawiki1.20.4
MediawikiMediawiki1.20.5
MediawikiMediawiki1.20.6
MediawikiMediawiki1.21
MediawikiMediawiki1.21.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-4304?
The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.
How severe is CVE-2013-4304?
Severity scoring for CVE-2013-4304 is pending analysis. The EPSS model estimates a 2.08% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4304?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-4304?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST