CVE-2006-4081: Barracuda Networks Barracuda Spam Firewall

High severity, CVSS 7.5. EPSS: 4.3% chance of exploitation in the next 30 days.

preview_email.cgi in Barracuda Spam Firewall (BSF) 3.3.01.001 through 3.3.03.053 allows remote attackers to execute commands via shell metacharacters ("|" pipe symbol) in the file parameter. NOTE: the attack can be extended to arbitrary commands by the presence of CVE-2006-4000.

Affected products

• Barracuda Networks Barracuda Spam Firewall: version 3.3.01.001 only; version 3.3.03.053 only

Published 2006-08-11. Last modified 2026-06-16.