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CVE-2021-26091

nvd nist
Published: Mar 24, 2025Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 3.9 / Impact: 3.6
Source: psirt@fortinet.com (Secondary)

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.

Affected (1)

Products: Fortinet: Fortimail
Fortinet
1 product
Fortimail
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Fortimail
From 6.2.0 to 6.4.5

Related CWEs

CWE-338
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.

References (1)

Source: psirt@fortinet.com
Vendor Advisory

Timeline

No history available yet.