CVE-2006-2203: Kerio Mailserver

Medium severity, CVSS 6.4. EPSS: 1.2% chance of exploitation in the next 30 days.

Unspecified vulnerability in Kerio MailServer before 6.1.4 has unknown impact and remote attack vectors related to a "possible bypass of attachment filter."

Affected products

• Kerio Kerio Mailserver: version 6.0.0 only; version 6.0.1 only; version 6.0.2 only; version 6.0.3 only; version 6.0.4 only; version 6.0.5 only; …

Published 2006-05-05. Last modified 2026-06-16.