CVE-2024-54019: Fortinet FortiClient

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A improper validation of certificate with host mismatch in Fortinet FortiClientWindows version 7.4.0, versions 7.2.0 through 7.2.6, and 7.0 all versions allow an unauthorized attacker to redirect VPN connections via DNS spoofing or another form of redirection.

Affected products

• Fortinet FortiClient: from 7.0.0, before 7.2.7 (fixed in 7.2.7); version 7.4.0 only

Published 2025-06-10. Last modified 2026-06-17.