CVE-2023-25403
HIGHCVSS 7.5/10EPSS 0.65%
Last modified
CVE-2023-25403 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.65% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yf-Exam Project | Yf-Exam | 1.8.0 |
References
- https://github.com/CleverStupidDog/yf-exam/issues/2Exploit, Issue Tracking, Third Party Advisory
- https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403Third Party Advisory
- https://github.com/CleverStupidDog/yf-exam/issues/2Exploit, Issue Tracking, Third Party Advisory
- https://github.com/Fw-fW-fw/UPDATE-CVE/blob/main/CVE-2023-25403Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-25403?
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.
How severe is CVE-2023-25403?
CVE-2023-25403 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2023-25403?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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Are you affected by CVE-2023-25403?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST