CVEvulnerability

CVE-2021-45471

5.3 MEDIUM Published 2021-12-24 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2021-12-24
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N

Description

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

Affected configurations

• mediawiki mediawiki (<= 1.37) • fedoraproject fedora 35

References

https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9 Third Party Advisory
https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/ lists.fedoraproject.org
https://phabricator.wikimedia.org/T296578 Third Party Advisory
https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9 Third Party Advisory
https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/ lists.fedoraproject.org
https://phabricator.wikimedia.org/T296578 Third Party Advisory