Vulnerability in Fortinet Fortiauthenticator

CVE-2025-59923

An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker…

EPSS: 0.000 (11.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-59923?
CVE-2025-59923 is a low-severity vulnerability in Fortinet Fortiauthenticator, classified under Improper Access Control. CVSS score: 2.6/10. Published 2025-12-09.
How severe is CVE-2025-59923?
Low severity. CVSS v3 base score is 2.6 out of 10.