CVE-2023-22633: Fortinet Fortinac

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An improper permissions, privileges, and access controls vulnerability [CWE-264] in FortiNAC-F 7.2.0, FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.0 all versions 8.7.0 all versions may allow an unauthenticated attacker to perform a DoS attack on the device via client-secure renegotiation.

Affected products

• Fortinet Fortinac: from 8.7.0, up to and including 8.7.6; from 8.8.0, up to and including 8.8.11; from 9.1.0, up to and including 9.1.8; from 9.2.0, up to and including 9.2.6; version 9.4.0 only; version 9.4.1 only
• Fortinet Fortinac-F: version 7.2.0 only

Published 2023-06-13. Last modified 2026-06-17.