CVE-2022-42478: Fortinet Fortisiem

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An Improper Restriction of Excessive Authentication Attempts [CWE-307] in FortiSIEM below 7.0.0 may allow a non-privileged user with access to several endpoints to brute force attack these endpoints.

Affected products

• Fortinet Fortisiem: from 5.1.0, up to and including 5.1.3; from 5.3.0, up to and including 5.3.3; from 6.3.0, up to and including 6.3.3; version 5.2.1 only; version 5.2.2 only; version 5.2.5 only; …

Published 2023-06-13. Last modified 2026-06-17.