CVE-2022-29056: Fortinet FortiMail

Medium severity, CVSS 5.3. EPSS: 1.8% chance of exploitation in the next 30 days.

A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiMail version 6.4.0, version 6.2.0 through 6.2.4 and before 6.0.9 allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.

Affected products

• Fortinet FortiMail: from 6.0.0, before 6.0.10 (fixed in 6.0.10); from 6.2.1, before 6.2.5 (fixed in 6.2.5); version 6.4.0 only

Published 2023-03-09. Last modified 2026-06-17.