Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2011-1766

Improper Authentication

Published: May 23, 2011 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
5.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-1766
CWEhttps://cwe.mitre.org/data/definitions/287.html

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.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
MediawikiMediawiki*1.16.4 (including)
MediawikiMediawiki1.1.0 (including)1.1.0 (including)
MediawikiMediawiki1.2.0 (including)1.2.0 (including)
MediawikiMediawiki1.2.1 (including)1.2.1 (including)
MediawikiMediawiki1.2.2 (including)1.2.2 (including)
MediawikiMediawiki1.2.3 (including)1.2.3 (including)
MediawikiMediawiki1.2.4 (including)1.2.4 (including)
MediawikiMediawiki1.2.5 (including)1.2.5 (including)
MediawikiMediawiki1.2.6 (including)1.2.6 (including)
MediawikiMediawiki1.3 (including)1.3 (including)
MediawikiMediawiki1.3.0 (including)1.3.0 (including)
MediawikiMediawiki1.3.1 (including)1.3.1 (including)
MediawikiMediawiki1.3.2 (including)1.3.2 (including)
MediawikiMediawiki1.3.3 (including)1.3.3 (including)
MediawikiMediawiki1.3.4 (including)1.3.4 (including)
MediawikiMediawiki1.3.5 (including)1.3.5 (including)
MediawikiMediawiki1.3.6 (including)1.3.6 (including)
MediawikiMediawiki1.3.7 (including)1.3.7 (including)
MediawikiMediawiki1.3.8 (including)1.3.8 (including)
MediawikiMediawiki1.3.9 (including)1.3.9 (including)
MediawikiMediawiki1.3.10 (including)1.3.10 (including)
MediawikiMediawiki1.3.11 (including)1.3.11 (including)
MediawikiMediawiki1.3.12 (including)1.3.12 (including)
MediawikiMediawiki1.3.13 (including)1.3.13 (including)
MediawikiMediawiki1.3.14 (including)1.3.14 (including)
MediawikiMediawiki1.3.15 (including)1.3.15 (including)
MediawikiMediawiki1.4-beta1 (including)1.4-beta1 (including)
MediawikiMediawiki1.4-beta2 (including)1.4-beta2 (including)
MediawikiMediawiki1.4-beta3 (including)1.4-beta3 (including)
MediawikiMediawiki1.4-beta4 (including)1.4-beta4 (including)
MediawikiMediawiki1.4-beta5 (including)1.4-beta5 (including)
MediawikiMediawiki1.4-beta6 (including)1.4-beta6 (including)
MediawikiMediawiki1.4.0 (including)1.4.0 (including)
MediawikiMediawiki1.4.1 (including)1.4.1 (including)
MediawikiMediawiki1.4.2 (including)1.4.2 (including)
MediawikiMediawiki1.4.3 (including)1.4.3 (including)
MediawikiMediawiki1.4.4 (including)1.4.4 (including)
MediawikiMediawiki1.4.5 (including)1.4.5 (including)
MediawikiMediawiki1.4.6 (including)1.4.6 (including)
MediawikiMediawiki1.4.7 (including)1.4.7 (including)
MediawikiMediawiki1.4.8 (including)1.4.8 (including)
MediawikiMediawiki1.4.9 (including)1.4.9 (including)
MediawikiMediawiki1.4.10 (including)1.4.10 (including)
MediawikiMediawiki1.4.11 (including)1.4.11 (including)
MediawikiMediawiki1.4.12 (including)1.4.12 (including)
MediawikiMediawiki1.4.13 (including)1.4.13 (including)
MediawikiMediawiki1.4.14 (including)1.4.14 (including)
MediawikiMediawiki1.5-alpha1 (including)1.5-alpha1 (including)
MediawikiMediawiki1.5-alpha2 (including)1.5-alpha2 (including)
MediawikiMediawiki1.5-beta1 (including)1.5-beta1 (including)
MediawikiMediawiki1.5-beta2 (including)1.5-beta2 (including)
MediawikiMediawiki1.5-beta3 (including)1.5-beta3 (including)
MediawikiMediawiki1.5-beta4 (including)1.5-beta4 (including)
MediawikiMediawiki1.5-rc2 (including)1.5-rc2 (including)
MediawikiMediawiki1.5-rc3 (including)1.5-rc3 (including)
MediawikiMediawiki1.5-rc4 (including)1.5-rc4 (including)
MediawikiMediawiki1.5.0 (including)1.5.0 (including)
MediawikiMediawiki1.5.1 (including)1.5.1 (including)
MediawikiMediawiki1.5.2 (including)1.5.2 (including)
MediawikiMediawiki1.5.3 (including)1.5.3 (including)
MediawikiMediawiki1.5.4 (including)1.5.4 (including)
MediawikiMediawiki1.5.5 (including)1.5.5 (including)
MediawikiMediawiki1.5.6 (including)1.5.6 (including)
MediawikiMediawiki1.5.7 (including)1.5.7 (including)
MediawikiMediawiki1.5.8 (including)1.5.8 (including)
MediawikiMediawiki1.6.0 (including)1.6.0 (including)
MediawikiMediawiki1.6.1 (including)1.6.1 (including)
MediawikiMediawiki1.6.2 (including)1.6.2 (including)
MediawikiMediawiki1.6.3 (including)1.6.3 (including)
MediawikiMediawiki1.6.4 (including)1.6.4 (including)
MediawikiMediawiki1.6.5 (including)1.6.5 (including)
MediawikiMediawiki1.6.6 (including)1.6.6 (including)
MediawikiMediawiki1.6.7 (including)1.6.7 (including)
MediawikiMediawiki1.6.8 (including)1.6.8 (including)
MediawikiMediawiki1.6.9 (including)1.6.9 (including)
MediawikiMediawiki1.6.10 (including)1.6.10 (including)
MediawikiMediawiki1.6.11 (including)1.6.11 (including)
MediawikiMediawiki1.6.12 (including)1.6.12 (including)
MediawikiMediawiki1.7.0 (including)1.7.0 (including)
MediawikiMediawiki1.7.1 (including)1.7.1 (including)
MediawikiMediawiki1.7.2 (including)1.7.2 (including)
MediawikiMediawiki1.7.3 (including)1.7.3 (including)
MediawikiMediawiki1.8.0 (including)1.8.0 (including)
MediawikiMediawiki1.8.1 (including)1.8.1 (including)
MediawikiMediawiki1.8.2 (including)1.8.2 (including)
MediawikiMediawiki1.8.3 (including)1.8.3 (including)
MediawikiMediawiki1.8.4 (including)1.8.4 (including)
MediawikiMediawiki1.8.5 (including)1.8.5 (including)
MediawikiMediawiki1.9.0 (including)1.9.0 (including)
MediawikiMediawiki1.9.0-rc2 (including)1.9.0-rc2 (including)
MediawikiMediawiki1.9.1 (including)1.9.1 (including)
MediawikiMediawiki1.9.2 (including)1.9.2 (including)
MediawikiMediawiki1.9.3 (including)1.9.3 (including)
MediawikiMediawiki1.9.4 (including)1.9.4 (including)
MediawikiMediawiki1.9.5 (including)1.9.5 (including)
MediawikiMediawiki1.9.6 (including)1.9.6 (including)
MediawikiMediawiki1.10.0 (including)1.10.0 (including)
MediawikiMediawiki1.10.0-rc1 (including)1.10.0-rc1 (including)
MediawikiMediawiki1.10.0-rc2 (including)1.10.0-rc2 (including)
MediawikiMediawiki1.10.1 (including)1.10.1 (including)
MediawikiMediawiki1.10.2 (including)1.10.2 (including)
MediawikiMediawiki1.10.3 (including)1.10.3 (including)
MediawikiMediawiki1.10.4 (including)1.10.4 (including)
MediawikiMediawiki1.11 (including)1.11 (including)
MediawikiMediawiki1.11.0 (including)1.11.0 (including)
MediawikiMediawiki1.11.0-rc1 (including)1.11.0-rc1 (including)
MediawikiMediawiki1.11.1 (including)1.11.1 (including)
MediawikiMediawiki1.11.2 (including)1.11.2 (including)
MediawikiMediawiki1.12.0 (including)1.12.0 (including)
MediawikiMediawiki1.12.0-rc1 (including)1.12.0-rc1 (including)
MediawikiMediawiki1.12.1 (including)1.12.1 (including)
MediawikiMediawiki1.12.2 (including)1.12.2 (including)
MediawikiMediawiki1.12.3 (including)1.12.3 (including)
MediawikiMediawiki1.12.4 (including)1.12.4 (including)
MediawikiMediawiki1.13.0 (including)1.13.0 (including)
MediawikiMediawiki1.13.0-rc1 (including)1.13.0-rc1 (including)
MediawikiMediawiki1.13.0-rc2 (including)1.13.0-rc2 (including)
MediawikiMediawiki1.13.1 (including)1.13.1 (including)
MediawikiMediawiki1.13.2 (including)1.13.2 (including)
MediawikiMediawiki1.13.3 (including)1.13.3 (including)
MediawikiMediawiki1.13.4 (including)1.13.4 (including)
MediawikiMediawiki1.14.0 (including)1.14.0 (including)
MediawikiMediawiki1.14.0-rc1 (including)1.14.0-rc1 (including)
MediawikiMediawiki1.14.1 (including)1.14.1 (including)
MediawikiMediawiki1.15.0 (including)1.15.0 (including)
MediawikiMediawiki1.15.0-rc1 (including)1.15.0-rc1 (including)
MediawikiMediawiki1.15.1 (including)1.15.1 (including)
MediawikiMediawiki1.15.2 (including)1.15.2 (including)
MediawikiMediawiki1.15.3 (including)1.15.3 (including)
MediawikiMediawiki1.15.4 (including)1.15.4 (including)
MediawikiMediawiki1.15.5 (including)1.15.5 (including)
MediawikiMediawiki1.16.0 (including)1.16.0 (including)
MediawikiMediawiki1.16.0-beta1 (including)1.16.0-beta1 (including)
MediawikiMediawiki1.16.0-beta2 (including)1.16.0-beta2 (including)
MediawikiMediawiki1.16.1 (including)1.16.1 (including)
MediawikiMediawiki1.16.2 (including)1.16.2 (including)
MediawikiMediawiki1.16.3 (including)1.16.3 (including)
MediawikiUbuntudapper*
MediawikiUbuntuhardy*
MediawikiUbuntulucid*
MediawikiUbuntumaverick*
MediawikiUbuntunatty*
MediawikiUbuntuoneiric*
MediawikiUbuntuprecise*
MediawikiUbuntuupstream*

Potential Mitigations

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use