What is CVE-2022-43951?

CVE-2022-43951 is a medium-severity vulnerability in Fortinet Fortinac, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-04-11.

How severe is CVE-2022-43951?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Fortinet Fortinac

CVE-2022-43951

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.11 and below, 8.7.6 and below may allow an unauthenticated attacker to access sensitive information via crafted HTTP requests.

Vulnerability class: Information Disclosure

Published 2023-04-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Fortinet Fortinac — versions 9.4.0, 9.2.0, 9.1.0
Fortinet Fortinac-F

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

fortiguard.com/psirt/FG-IR-22-409 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-43951?: CVE-2022-43951 is a medium-severity vulnerability in Fortinet Fortinac, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-04-11.
How severe is CVE-2022-43951?: Medium severity. CVSS v3 base score is 5.3 out of 10.