CVE-2021-43080: Fortinet FortiOS

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.2.0, version 6.4.0 through 6.4.9, version 7.0.0 through 7.0.5 may allow an authenticated attacker to perform a stored cross site scripting (XSS) attack through the URI parameter via the Threat Feed IP address section of the Security Fabric External connectors.

Affected products

• Fortinet FortiOS: from 6.4.0, before 6.4.10 (fixed in 6.4.10); from 7.0.0, before 7.0.6 (fixed in 7.0.6); version 7.2.0 only

Published 2022-09-06. Last modified 2026-06-17.