CVE-2023-40723: Fortinet Fortisiem

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An exposure of sensitive information to an unauthorized actor in Fortinet FortiSIEM version 6.7.0 through 6.7.4 and 6.6.0 through 6.6.3 and 6.5.0 through 6.5.1 and 6.4.0 through 6.4.2 and 6.3.0 through 6.3.3 and 6.2.0 through 6.2.1 and 6.1.0 through 6.1.2 and 5.4.0 and 5.3.0 through 5.3.3 and 5.2.5 through 5.2.8 and 5.2.1 through 5.2.2 and 5.1.0 through 5.1.3 allows attacker to execute unauthorized code or commands via api request.

Affected products

• Fortinet Fortisiem: from 5.1.0, before 6.4.2 (fixed in 6.4.2); from 6.5.0, before 6.5.2 (fixed in 6.5.2); from 6.6.0, before 6.6.4 (fixed in 6.6.4); from 6.7.0, before 6.7.5 (fixed in 6.7.5)

Published 2025-03-11. Last modified 2026-06-17.