CVE-2021-26091

CVSS 6.9 MEDIUMEPSS 0.3%CWE-338

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Mar 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C

Affected products

Fortinet · FortiMail

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References

https://fortiguard.com/advisory/FG-IR-21-031