CVE-2023-25403 Auth bypass in n/a
Attackers can forge JWT tokens using a fixed key to bypass authentication and access accounts of users logged in within the last 24 hours.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-25403?
CVE-2023-25403 is a high-severity authentication bypass vulnerability in n/a, published on 3 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2023-25403?
It affects 1 product.
Products include Yf-Exam Project Yf-Exam.
How do I fix CVE-2023-25403?
No fix has been published for CVE-2023-25403 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-25403 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25403 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vc6m-w3jh-f5fx.