CVEvulnerability
CVE-2023-25403
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-03-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-639
Description
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.
Affected configurations
• yf-exam project yf-exam 1.8.0
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://github.com/CleverStupidDog/yf-exam/issues/2 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403 Third Party Advisory
- https://github.com/CleverStupidDog/yf-exam/issues/2 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403 Third Party Advisory