CVE-2021-45471
First published: Fri Dec 24 2021(Updated: )
In MediaWiki through 1.37, blocked IP addresses are allowed to edit EntitySchema items.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki | <=1.37 | |
| Fedora | =35 |
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Reference Links
- https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9
- https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/
- https://phabricator.wikimedia.org/T296578
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/
Frequently Asked Questions
What is the severity of CVE-2021-45471?
CVE-2021-45471 is classified as a medium-severity vulnerability.
How do I fix CVE-2021-45471?
To fix CVE-2021-45471, upgrade your MediaWiki installation to version 1.38 or later.
Which versions of MediaWiki are affected by CVE-2021-45471?
CVE-2021-45471 affects MediaWiki versions up to and including 1.37.
Is CVE-2021-45471 applicable to Fedora users?
Yes, CVE-2021-45471 affects the Fedora 35 distribution that includes MediaWiki.
What are the implications of CVE-2021-45471 for blocked IP addresses?
CVE-2021-45471 allows blocked IP addresses to edit EntitySchema items, potentially compromising content integrity.
- agent/type
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/first-publish-date
- agent/last-modified-date
- agent/author
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/mediawiki
- canonical/mediawiki
- version/mediawiki/1.37
- vendor/fedoraproject
- canonical/fedora
- version/fedora/35