What is CVE-2022-38375?

CVE-2022-38375 is a critical-severity vulnerability in Fortinet Fortinac, classified under Improper Authorization. CVSS score: 9.1/10. Published 2023-02-16.

How severe is CVE-2022-38375?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Fortinet Fortinac

CVE-2022-38375

An 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 to perform some administrative operations over the FortiNAC instance via crafted HTTP POST requests.

Published 2023-02-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Fortinet Fortinac — versions 9.4.0, 9.2.0
Fortinet Fortinac-F

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

fortiguard.com/psirt/FG-IR-22-329 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-38375?: CVE-2022-38375 is a critical-severity vulnerability in Fortinet Fortinac, classified under Improper Authorization. CVSS score: 9.1/10. Published 2023-02-16.
How severe is CVE-2022-38375?: Critical severity. CVSS v3 base score is 9.1 out of 10.