CVE-2021-24021: Fortinet Fortianalyzer

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

An improper neutralization of input vulnerability [CWE-79] in FortiAnalyzer versions 6.4.3 and below, 6.2.7 and below and 6.0.10 and below may allow a remote authenticated attacker to perform a stored cross site scripting attack (XSS) via the column settings of Logview in FortiAnalyzer, should the attacker be able to obtain that POST request, via other, hypothetical attacks.

Affected products

• Fortinet Fortianalyzer: from 6.0.0, before 6.2.8 (fixed in 6.2.8); from 6.4.0, before 6.4.4 (fixed in 6.4.4)

Published 2021-10-06. Last modified 2026-06-17.