CVE-2023-25403 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Yf-Exam Project	Yf-Exam	1.8.0

Related Weaknesses (CWE)

CWE-639

References

https://github.com/CleverStupidDog/yf-exam/issues/2ExploitIssue TrackingThird Party Advisory
https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403Third Party Advisory
https://github.com/CleverStupidDog/yf-exam/issues/2ExploitIssue TrackingThird Party Advisory
https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403Third Party Advisory

FAQ

What is CVE-2023-25403?

CVE-2023-25403 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2023-25403?

CVE-2023-25403 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-25403?

Check the references section above for vendor advisories and patch information. Affected products include: Yf-Exam Project Yf-Exam.