CVE-2022-33871: Fortinet FortiWeb

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

A stack-based buffer overflow vulnerability [CWE-121] in FortiWeb version 7.0.1 and earlier, 6.4 all versions, version 6.3.19 and earlier may allow a privileged attacker to execute arbitrary code or commands via specifically crafted CLI `execute backup-local rename` and `execute backup-local show` operations.

Affected products

• Fortinet FortiWeb: from 6.3.6, before 6.3.20 (fixed in 6.3.20); 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.