Vulnerability record · CVE-2022-39953 · published 7 March 2023

CVE-2022-39953: Fortinet fortinac improper privilege management vulnerability

Fortinet · Fortinac

A improper privilege management in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.6, FortiNAC version 9.1.0 through 9.1.8, FortiNAC all versions 8.8, FortiNAC all versions 8.7, FortiNAC all versions 8.6, FortiNAC all versions 8.5, FortiNAC version 8.3.7 allows attacker to escalation of privilege via specially crafted commands.

7.8 CVSS 3.1 High EPSS 0.21% · top 89.9% CWE-269 · Improper privilege management

7.8CVSS 3.1 base score

0.21%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Fortinac Fortinet

References

Link	Tags
https://fortiguard.com/psirt/FG-IR-22-309	Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-309	Vendor Advisory

Track CVE-2022-39953 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-33299Fortinet fortinac deserialization of untrusted data vulnerabilityA deserialization of untrusted data in Fortinet FortiNAC below 7.2.1, below 9.4.3, below 9.2.8 and all earlier versions of 8.x allows attacker to exe…EPSS 24%23 Jun 2023 9.8CVE-2022-39952Fortinet FortiNAC unauthenticated path control leads to code executionFortiNAC versions across the 8.x, 9.1, 9.2 and 9.4 lines mishandle externally controlled file names or paths, allowing an unauthenticated attacker to…EPSS 100%analysed16 Feb 2023 9.8CVE-2022-38375Fortinet fortinac improper authorization vulnerabilityAn improper authorization vulnerability [CWE-285] in Fortinet FortiNAC version 9.4.0 through 9.4.1 and before 9.2.6 allows an unauthenticated user t…EPSS 1.1%16 Feb 2023 9.1CVE-2022-39954Fortinet fortinac xml external entity (xxe) vulnerabilityAn improper restriction of xml external entity reference in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.7, Fort…EPSS 0.55%16 Feb 2023 9.0CVE-2024-31488Fortinet fortinac cross-site scripting vulnerabilityAn improper neutralization of inputs during web page generation vulnerability [CWE-79] in FortiNAC version 9.4.0 through 9.4.4, 9.2.0 through 9.2.8, …EPSS 1.0%14 May 2024 9.0CVE-2023-22637Fortinet fortinac cross-site scripting vulnerabilityAn improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiNAC-F version 7.2.0, FortiNAC …EPSS 0.61%3 May 2023 8.8CVE-2022-40677Fortinet fortinac argument injection vulnerabilityA improper neutralization of argument delimiters in a command ('argument injection') in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 …EPSS 0.77%16 Feb 2023 8.8CVE-2022-26117Fortinet fortinac weak password requirements vulnerabilityAn empty password in configuration file vulnerability [CWE-258] in FortiNAC version 8.3.7 and below, 8.5.2 and below, 8.5.4, 8.6.0, 8.6.5 and below, …EPSS 0.98%18 Jul 2022

Source: NIST National Vulnerability Database (record CVE-2022-39953), CISA KEV, FIRST EPSS (scores of 2026-10-16). This page is refreshed as NVD updates the record.