What is CVE-2022-43950?

CVE-2022-43950 is a medium-severity vulnerability in Fortinet Fortinac, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2023-05-03.

How severe is CVE-2022-43950?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Fortinet Fortinac

CVE-2022-43950

A URL redirection to untrusted site ('Open Redirect') vulnerability [CWE-601] in FortiNAC-F version 7.2.0, FortiNAC version 9.4.1 and below, 9.2 all versions, 9.1 all versions, 8.8 all versions, 8.7 all versions may allow an unauthenticated attacker to redirect users to any arbitrary website via a crafted URL.

Vulnerability class: Open Redirect

Published 2023-05-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Fortinet Fortinac — versions 9.4.0, 9.2.0, 9.1.0
Fortinet Fortinac-F — versions 7.2.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

fortiguard.com/psirt/FG-IR-22-407 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-43950?: CVE-2022-43950 is a medium-severity vulnerability in Fortinet Fortinac, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2023-05-03.
How severe is CVE-2022-43950?: Medium severity. CVSS v3 base score is 4.3 out of 10.