CVE-2021-31555: Input Validation
First published: Thu Apr 22 2021(Updated: )
An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. It did not validate the oarc_version (aka oauth_registered_consumer.oarc_version) parameter's length.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki MediaWiki | <=1.35.2 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-31555.
What is the severity of CVE-2021-31555?
The severity of CVE-2021-31555 is high with a CVSS score of 7.5.
What is affected by CVE-2021-31555?
MediaWiki versions up to 1.35.2 are affected by CVE-2021-31555.
How can I fix CVE-2021-31555?
Upgrade to a version of MediaWiki that is not affected by CVE-2021-31555.
Where can I find more information about CVE-2021-31555?
You can find more information about CVE-2021-31555 at the following references: [Link 1](https://gerrit.wikimedia.org/r/q/I222c053b4b14ac1ad0f5b3a51565b1b9cd4c139d), [Link 2](https://phabricator.wikimedia.org/T277388).
- agent/references
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/weakness
- agent/severity
- agent/author
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/tags
- agent/first-publish-date
- agent/source
- vendor/mediawiki
- canonical/mediawiki mediawiki
- version/mediawiki mediawiki/1.35.2