Vulnerabilities > CVE-2023-25403 - Authorization Bypass Through User-Controlled Key vulnerability in Yf-Exam Project Yf-Exam 1.8.0
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
NONE Summary
CleverStupidDog yf-exam v 1.8.0 is vulnerable to Authentication Bypass. The program uses a fixed JWT key, and the stored key uses username format characters. Any user who logged in within 24 hours. A token can be forged with his username to bypass authentication.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |