CVE-2023-23779: Fortinet FortiWeb

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Multiple improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerabilities [CWE-78] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below may allow an authenticated attacker to execute unauthorized code or commands via crafted parameters of HTTP requests.

Affected products

• Fortinet FortiWeb: from 6.3.6, up to and including 6.3.19; version 6.4.0 only; version 6.4.1 only; version 6.4.2 only; version 7.0.0 only; version 7.0.1 only

Published 2023-02-16. Last modified 2026-06-17.