Vulnerability · Published Apr 22, 2021 · Assigned by mitre
CVE-2021-31554
Medium 5.4
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It improperly handled account blocks for certain automatically created MediaWiki user accounts, thus allowing nefarious users to remain unblocked.
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T272244 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/Ie1f4333d5b1c9d17fb2236fe38a31de427a4cc48 x_refsource_MISC