Vulnerabilities > CVE-2023-2193 - Missing Authorization vulnerability in Mattermost

047910
CVSS 9.1 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
NONE
network
low complexity
mattermost
CWE-862
critical

Summary

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

Common Weakness Enumeration (CWE)