CVE-2021-44854
First published: Mon Dec 26 2022(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. The REST API publicly caches results from private wikis.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/mediawiki | 1:1.31.16-1+deb10u2 1:1.31.16-1+deb10u6 1:1.35.11-1~deb11u1 1:1.35.13-1~deb11u1 1:1.39.4-1~deb12u1 1:1.39.5-1~deb12u1 1:1.39.5-1 | |
| MediaWiki MediaWiki | <1.35.5 | |
| MediaWiki MediaWiki | >=1.36.0<1.36.3 | |
| MediaWiki MediaWiki | =1.37.0 | |
| MediaWiki MediaWiki | =1.37.0-rc0 | |
| MediaWiki MediaWiki | =1.37.0-rc1 | |
| MediaWiki MediaWiki | =1.37.0-rc2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-44854?
The severity of CVE-2021-44854 is medium with a severity value of 5.3.
How does CVE-2021-44854 impact MediaWiki?
CVE-2021-44854 allows the REST API to publicly cache results from private wikis, potentially exposing sensitive information.
Which versions of MediaWiki are affected by CVE-2021-44854?
MediaWiki versions before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1 are affected by CVE-2021-44854.
What is the remedy for CVE-2021-44854 in Debian's MediaWiki package?
For Debian's MediaWiki package, the remedy for CVE-2021-44854 is to update to version 1:1.39.5-1~deb12u1 or later.
Where can I find more information about CVE-2021-44854?
More information about CVE-2021-44854 can be found at the following links: [phabricator.wikimedia.org](https://phabricator.wikimedia.org/T292763), [lists.wikimedia.org](https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/QEN3EK4JXAVJMJ5GF3GYOAKNJPEKFQYA/), and [security-tracker.debian.org](https://security-tracker.debian.org/tracker/CVE-2021-44854).
- collector/security-tracker-debian
- agent/severity
- agent/author
- agent/description
- agent/type
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- agent/references
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/mediawiki
- canonical/mediawiki mediawiki
- version/mediawiki mediawiki/1.36.0
- version/mediawiki mediawiki/1.37.0
- version/mediawiki mediawiki/1.37.0-rc0
- version/mediawiki mediawiki/1.37.0-rc1
- version/mediawiki mediawiki/1.37.0-rc2