CVE-2021-45038 Information disclosure in n/a

What is CVE-2021-45038?

CVE-2021-45038 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 17 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-200

Which versions are affected by CVE-2021-45038?

1 open source package ship an affected version, including mediawiki. It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2021-45038?

Upgrade mediawiki to a fixed version for your release line: 1.35.5, 1.36.3 or 1.37.1.

Is CVE-2021-45038 being exploited?

There is no known exploitation of CVE-2021-45038 in the wild and no public exploit code.

Other vulnerabilities in Mediawiki Mediawiki

• CVE-2023-37303 Denial of service in n/a Critical 9.8
• CVE-2022-29904 SQL injection in n/a Critical 9.8
• CVE-2022-29906 Missing authorization in n/a Critical 9.8
• CVE-2022-28205 Business logic in n/a Critical 9.8
• CVE-2022-28206 Missing authorization in n/a Critical 9.8

All Mediawiki Mediawiki vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-mediawiki-2021-45038, DEBIAN-CVE-2021-45038, GHSA-8rcg-5g7w-gw95.