CVE-2025-3895 Low token entropy in MegaBIP
An unauthenticated attacker can brute force low-entropy password reset tokens to take over user and administrator accounts in MegaBIP.
- 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-2025-3895?
CVE-2025-3895 is a critical vulnerability in Jan Syski MegaBIP, published on 23 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Token used for resetting passwords in MegaBIP software are generated using a small space of random values combined with a queryable value. It allows an unauthenticated attacker who know user login names to brute force these tokens and change account passwords (including these belonging to administrators). Version 5.20 of MegaBIP fixes this issue.
Weakness: CWE-334
Which versions are affected by CVE-2025-3895?
How do I fix CVE-2025-3895?
No fix has been published for CVE-2025-3895 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3895 being exploited?
There is no known exploitation of CVE-2025-3895 in the wild and no public exploit code.
Sources
Also known as GHSA-f29p-fvxc-743q.