VULNERABILITY INTELLIGENCE

CVE-2023-2193

CVSS score6.5 MEDIUM
EPSS probability0.59%
CISA KEVNot currently listed
Published2023-04-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Description

Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.

Weakness classification

  • CWE-862: Missing Authorization

Primary references