CVE-2025-3177 FastCMS JWT hard-coded key
Attackers can exploit a hard-coded JWT key in FastCMS to bypass authentication and potentially take over accounts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3177?
CVE-2025-3177 is a low-severity vulnerability in FastCMS, published on 3 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in FastCMS 0.1.5. It has been declared as critical. This vulnerability affects unknown code of the component JWT Handler. The manipulation leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-3177?
It affects 1 product.
Products include Fastcms Project Fastcms.
How do I fix CVE-2025-3177?
No fix has been published for CVE-2025-3177 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3177 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3177 exists.
Other vulnerabilities in FastCMS
Sources
Also known as GHSA-4hmf-3gjv-f764.