CVE-2023-22912
5.3
MEDIUM
CVSS 3.1
EPSS 0.11%
Description
An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.
How to fix CVE-2023-22912
To remediate CVE-2023-22912, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.35.9 or later
Is CVE-2023-22912 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.35.9, >= 1.36.0, < 1.38.5, >= 1.39.0, < 1.39.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |