CVE-2021-30158 Security feature bypass in n/a
Blocked users cannot reset compromised tokens, preventing them from securing their accounts against unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-30158?
CVE-2021-30158 is a medium-severity vulnerability in Debian Debian Linux, published on 6 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party.
Weakness: CWE-287
Which versions are affected by CVE-2021-30158?
1 open source package ship an affected version, including mediawiki. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
mediawiki Bitnami | All versions | 1.31.12, 1.35.2 |
Products include Debian Debian Linux, Fedoraproject Fedora, Mediawiki Mediawiki.
How do I fix CVE-2021-30158?
Upgrade mediawiki to a fixed version for your release line: 1.31.12 or 1.35.2.
Is CVE-2021-30158 being exploited?
There is no known exploitation of CVE-2021-30158 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-mediawiki-2021-30158, DEBIAN-CVE-2021-30158, GHSA-c7v8-6m32-34m3, UBUNTU-CVE-2021-30158.