CVE-2025-3895CWE-334

Low token entropy in MegaBIP

Critical · published May 23, 2025

CVSS v4.0
9.1
EPSS
0%
Percentile
40.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.1 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00489 · 40.3th percentile
Weakness
CWE-334 · Small Space of Random Values
Published
2025-05-23T10:20Z
EPSS history
Timeline
  • 23 MAY 10:20Z
    Low token entropy in MegaBIP
    cvelistv5