CVE-2021-27201: Endian Firewall Community

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

Endian Firewall Community (aka EFW) 3.3.2 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in a backup comment.

Affected products

• Endian Firewall Community: version 3.3.2 only

Published 2021-02-15. Last modified 2026-06-17.