CVE-2021-45471: Fedoraproject Fedora

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

In MediaWiki through 1.37, blocked IP addresses are allowed to edit EntitySchema items.

Affected products

• Fedoraproject Fedora: version 35 only
• Mediawiki Mediawiki: up to and including 1.37

Published 2021-12-24. Last modified 2026-06-17.