CVE-2022-39952

Name: CVE-2022-39952
Creator: NVD / NIST
Published: 2023-02-16T19:15:13.06+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 99.81%

Last modified Jun 17, 2026

CVE-2022-39952 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 99.81% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

99.81%

100.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fortinet	Fortinac	>= 8.3.7, <= 8.8.9
Fortinet	Fortinac	>= 9.1.0, < 9.1.8
Fortinet	Fortinac	>= 9.2.0, < 9.2.6
Fortinet	Fortinac	>= 9.4.0, < 9.4.1

References

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

Timeline

Published: Feb 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39952?

How severe is CVE-2022-39952?

CVE-2022-39952 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 99.81% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39952?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-39952?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST