CVE-2022-40675

Name: CVE-2022-40675
Creator: NVD / NIST
Published: 2023-02-16T19:15:13.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2022-40675 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Some cryptographic issues in Fortinet FortiNAC versions 9.4.0 through 9.4.1, 9.2.0 through 9.2.7, 9.1.0 through 9.1.8, 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 attacker to decrypt and forge protocol communication messages.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Some cryptographic issues in Fortinet FortiNAC versions 9.4.0 through 9.4.1, 9.2.0 through 9.2.7, 9.1.0 through 9.1.8, 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 attacker to decrypt and forge protocol communication messages.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.39%

30.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Fortinet	Fortinac	>= 8.3.7, <= 9.2.7
Fortinet	Fortinac	>= 9.4.0, < 9.4.2
Fortinet	Fortinac-F	< 7.2.0

References

https://fortiguard.com/psirt/FG-IR-22-312Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-312Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2022-40675?

How severe is CVE-2022-40675?

CVE-2022-40675 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40675?

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-2022-40675?

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

Scan your code now

Source: NVD / NIST