VULNERABILITY INTELLIGENCE

CVE-2023-22912

CVSS score5.3 MEDIUM

EPSS probability0.39%

CISA KEVNot currently listed

Published2023-01-20

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

nvd@nist.gov: CWE-330
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-330

Primary references

cve@mitre.org — Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory