CVE-2023-23777: Fortinet FortiWeb

High severity, CVSS 7.2. EPSS: 1.3% chance of exploitation in the next 30 days.

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.18 and below may allow a privileged attacker to execute arbitrary bash commands via crafted cli backup parameters.

Affected products

• Fortinet FortiWeb: from 6.3.6, up to and including 6.3.18; from 6.4.0, up to and including 6.4.3; version 7.0.0 only; version 7.0.1 only

Published 2023-07-11. Last modified 2026-06-17.