CVE-2022-45858

Name: CVE-2022-45858
Creator: NVD / NIST
Published: 2023-05-03T22:15:15.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2022-45858 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A use of a weak cryptographic algorithm vulnerability [CWE-327] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.0 all versions, 8.8.0 all versions, 8.7.0 all versions may increase the chances of an attacker to have access to sensitive information or to perform man-in-the-middle attacks.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

A use of a weak cryptographic algorithm vulnerability [CWE-327] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.0 all versions, 8.8.0 all versions, 8.7.0 all versions may increase the chances of an attacker to have access to sensitive information or to perform man-in-the-middle attacks.

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

0.20%

10.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fortinet	Fortinac	>= 8.7.0, < 9.1.0
Fortinet	Fortinac	>= 9.2.0, < 9.2.6
Fortinet	Fortinac	>= 9.4.0, < 9.4.2

References

https://fortiguard.com/psirt/FG-IR-22-452Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-452Vendor Advisory

Timeline

Published: May 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-45858?

How severe is CVE-2022-45858?

CVE-2022-45858 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2022-45858?

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-2022-45858?

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

Scan your code now

Source: NVD / NIST