CVE-2021-26091

HIGH

FortiMail <6.4.4/<6.2.7 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.5
EPSS 0.0015
EPSS Percentile 35.0%
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