CVE-2020-15937: Fortinet FortiOS

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

An improper neutralization of input vulnerability in FortiGate version 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross site scripting attack (XSS) via the IPS and WAF logs dashboard.

Affected products

• Fortinet FortiOS: from 6.2.0, before 6.2.5 (fixed in 6.2.5); from 6.4.0, before 6.4.1 (fixed in 6.4.1)

Published 2021-03-03. Last modified 2026-06-17.