CVE-2021-44169: Fortinet FortiClient

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below allows attacker to gain administrative privileges via placing a malicious executable inside the FortiClient installer's directory.

Affected products

• Fortinet FortiClient: from 6.0.0, up to and including 6.0.10; from 6.2.0, up to and including 6.2.9; from 6.4.0, up to and including 6.4.7; from 7.0.0, up to and including 7.0.2

Published 2022-04-06. Last modified 2026-06-17.