CVE-2022-40675: Fortinet Fortinac

High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Some cryptographic issues in Fortinet FortiNAC versions 9.4.0 through 9.4.1, 9.2.0 through 9.2.7, 9.1.0 through 9.1.8, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an attacker to decrypt and forge protocol communication messages.

Affected products

• Fortinet Fortinac: from 8.3.7, up to and including 9.2.7; from 9.4.0, before 9.4.2 (fixed in 9.4.2)
• Fortinet Fortinac-F: before 7.2.0 (fixed in 7.2.0)

Published 2023-02-16. Last modified 2026-06-17.