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CVE-2011-1766

UnknownEPSS 2.23%

Last modified

CVE-2011-1766 is a vulnerability of currently unknown severity. includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.

Metrics

EPSS Probability
2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MediawikiMediawiki<= 1.16.4—
MediawikiMediawiki1.1.0—
MediawikiMediawiki1.2.0—
MediawikiMediawiki1.2.1—
MediawikiMediawiki1.2.2—
MediawikiMediawiki1.2.3—
MediawikiMediawiki1.2.4—
MediawikiMediawiki1.2.5—
MediawikiMediawiki1.2.6—
MediawikiMediawiki1.3—
MediawikiMediawiki1.3.0—
MediawikiMediawiki1.3.1—
MediawikiMediawiki1.3.2—
MediawikiMediawiki1.3.3—
MediawikiMediawiki1.3.4—
MediawikiMediawiki1.3.5—
MediawikiMediawiki1.3.6—
MediawikiMediawiki1.3.7—
MediawikiMediawiki1.3.8—
MediawikiMediawiki1.3.9—
MediawikiMediawiki1.3.10—
MediawikiMediawiki1.3.11—
MediawikiMediawiki1.3.12—
MediawikiMediawiki1.3.13—
MediawikiMediawiki1.3.14—
MediawikiMediawiki1.3.15—
MediawikiMediawiki1.4Beta1
MediawikiMediawiki1.4.0—
MediawikiMediawiki1.4.1—
MediawikiMediawiki1.4.2—
MediawikiMediawiki1.4.3—
MediawikiMediawiki1.4.4—
MediawikiMediawiki1.4.5—
MediawikiMediawiki1.4.6—
MediawikiMediawiki1.4.7—
MediawikiMediawiki1.4.8—
MediawikiMediawiki1.4.9—
MediawikiMediawiki1.4.10—
MediawikiMediawiki1.4.11—
MediawikiMediawiki1.4.12—
MediawikiMediawiki1.4.13—
MediawikiMediawiki1.4.14—
MediawikiMediawiki1.5Alpha1
MediawikiMediawiki1.5.0—
MediawikiMediawiki1.5.1—
MediawikiMediawiki1.5.2—
MediawikiMediawiki1.5.3—
MediawikiMediawiki1.5.4—
MediawikiMediawiki1.5.5—
MediawikiMediawiki1.5.6—

Showing 50 of 113 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1766?
includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.
How severe is CVE-2011-1766?
Severity scoring for CVE-2011-1766 is pending analysis. The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1766?
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-2011-1766?

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

Scan your code now

Source: NVD / NIST