CVE-2023-45583: Fortinet FortiOS

High severity, CVSS 7.2. EPSS: 0.7% chance of exploitation in the next 30 days.

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0.0 through 6.0.16, FortiPAM 1.1.0, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.5, FortiProxy 7.0.0 through 7.0.11, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1 all versions, FortiProxy 1.0 all versions, FortiSwitchManager 7.2.0 through 7.2.2, FortiSwitchManager 7.0.0 through 7.0.2 allows attacker to execute unauthorized code or commands via specially crafted cli commands and http requests.

Affected products

• Fortinet FortiOS: before 7.2.6 (fixed in 7.2.6); from 6.2.0, up to and including 6.2.16; from 6.4.0, up to and including 6.4.15; from 7.0.0, up to and including 7.0.12; from 7.2.0, up to and including 7.2.5; version 7.4.0 only
• Fortinet Fortipam: from 1.0.0, up to and including 1.0.3; version 1.1.0 only
• Fortinet FortiProxy: before 7.0.12 (fixed in 7.0.12); after 7.2.0, before 7.2.6 (fixed in 7.2.6)
• Fortinet Fortiswitchmanager: from 7.0.0, before 7.0.3 (fixed in 7.0.3); from 7.2.0, before 7.2.3 (fixed in 7.2.3)

Published 2024-05-14. Last modified 2026-06-17.