CVE-2023-26208

5.3 mediumEPSS 1.8%

Medium (5.3) in fortinet fortiauthenticator. EPSS 1.8% chance of exploitation in the next 30 days.

A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-307
Published: 2023-03-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortiauthenticator

References

https://fortiguard.com/psirt/FG-IR-20-078
https://fortiguard.com/psirt/FG-IR-20-078

Check your stack JSON