Description
A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials.
References (1)
Core 1
Core References
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-031
Scores
CVSS v3
7.5
EPSS
0.0028
EPSS Percentile
19.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-338
Status
published
Products (1)
fortinet/fortimail
6.2.0 - 6.4.5
Published
Mar 24, 2025
Tracked Since
Feb 18, 2026