CVE-2021-31554
5.4
MEDIUM
CVSS 3.1
EPSS 0.09%
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.
How to fix CVE-2021-31554
To remediate CVE-2021-31554, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.35.3 or later
Is CVE-2021-31554 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.35.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |