What’s Vulnerable › Vulnerabilities
CVE-2021-43066
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-05-11 · updated 2026-06-17
- Weakness: CWE-668
Description
A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.
Affected products
- Fortinet FortiClientWindows: from 6.0.0 before 6.4.7; from 7.0.0 before 7.0.3 — fixed in 6.4.7, 7.0.3
How to fix
Upgrade to a fixed version: Fortinet FortiClientWindows 6.4.7, 7.0.3. Check the vendor advisory for mitigations.
References
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