CVE-2006-5545: Symantec Mail Security

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

Premium Antispam in Symantec Mail Security for Domino Server 5.1.x before 5.1.2.28 does not filter certain SMTP address formats, which allows remote attackers to use the product as a spam relay.

Affected products

• Symantec Mail Security: version 5.1.0 only

Published 2006-10-26. Last modified 2026-06-16.