CVE-2022-30307: Fortinet FortiOS

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A key management error vulnerability [CWE-320] affecting the RSA SSH host key in FortiOS 7.2.0 and below, 7.0.6 and below, 6.4.9 and below may allow an unauthenticated attacker to perform a man in the middle attack.

Affected products

• Fortinet FortiOS: from 6.4.0, before 6.4.10 (fixed in 6.4.10); from 7.0.1, before 7.0.8 (fixed in 7.0.8); from 7.2.0, before 7.2.2 (fixed in 7.2.2)

Published 2022-11-02. Last modified 2026-06-17.