CVE-2021-46149: High severity mediawiki vulnerability
Published Jan 7, 2022
·Updated
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A denial of service (resource consumption) can be accomplished by searching for a very long key in a Language Name Search.
Affected Software
3 affected components
MediaWiki MediaWiki<1.35.5
MediaWiki MediaWiki>=1.36.0<1.36.3
MediaWiki MediaWiki>=1.37.0<1.37.1
Event History
Jan 7, 2022
CVE Published
via MITRE·05:53 AM
Data Sourced
via MITRE·05:53 AM
Description
Jan 10, 2022
Data Sourced
via NVD·02:11 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-46149?
CVE-2021-46149 is categorized as a denial of service vulnerability.
2
How do I fix CVE-2021-46149?
To mitigate CVE-2021-46149, upgrade MediaWiki to version 1.35.5, 1.36.3, or 1.37.1 or later.
3
What versions of MediaWiki are affected by CVE-2021-46149?
CVE-2021-46149 affects MediaWiki versions prior to 1.35.5, between 1.36.0 and 1.36.3, and between 1.37.0 and 1.37.1.
4
What type of attack does CVE-2021-46149 enable?
CVE-2021-46149 enables a denial of service attack through resource consumption by searching for excessively long keys.
5
How can I verify if I am vulnerable to CVE-2021-46149?
You can verify vulnerability to CVE-2021-46149 by checking your MediaWiki version against the specified affected versions.