CVE-2021-45038: Infoleak
Published Dec 17, 2021
·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. By using an action=rollback query, attackers can view private wiki contents.
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
Dec 17, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-45038?
CVE-2021-45038 is considered a high severity vulnerability due to the potential exposure of private wiki content.
2
How do I fix CVE-2021-45038?
To fix CVE-2021-45038, 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-2021-45038?
CVE-2021-45038 affects MediaWiki versions prior to 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1.
4
What kind of attack is possible with CVE-2021-45038?
With CVE-2021-45038, attackers can utilize the action=rollback query to access private contents of a wiki.
5
Is there a workaround for CVE-2021-45038?
There are no effective workarounds for CVE-2021-45038; upgrading to a patched version is necessary.