CVE-2021-41015: Fortinet FortiWeb

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests to SAML login handler

Affected products

• Fortinet FortiWeb: version 6.4.0 only; version 6.4.1 only

Published 2021-12-08. Last modified 2026-06-17.