CVE-2012-0300: Symantec Message Filter

Low severity, CVSS 3.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Brightmail Control Center in Symantec Message Filter 6.3 does not properly restrict establishment of sessions to the listening port, which allows remote attackers to obtain potentially sensitive version information via unspecified vectors.

Affected products

• Symantec Message Filter: up to and including 6.3

Published 2012-07-05. Last modified 2026-06-16.