What’s Vulnerable › Vulnerabilities

CVE-2022-39952

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 99.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-16 · updated 2026-06-17
• Weakness: CWE-73

Description

A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 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 unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP request.

Affected products

• Fortinet FortiNAC: from 8.3.7 through 8.8.9; from 9.1.0 before 9.1.8; from 9.2.0 before 9.2.6; from 9.4.0 before 9.4.1 — fixed in 9.1.8, 9.2.6, 9.4.1

How to fix

Upgrade to a fixed version: Fortinet FortiNAC 9.1.8, 9.2.6, 9.4.1. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/psirt/FG-IR-22-300
• https://fortiguard.com/psirt/FG-IR-22-300

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