CVE-2005-0964: Kerio Personal Firewall

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

Unknown vulnerability in Kerio Personal Firewall 4.1.2 and earlier allows local users to bypass firewall rules via a malicious process that impersonates a legitimate process that has fewer restrictions.

Affected products

• Kerio Personal Firewall: version 4.0.6 only; version 4.0.7 only; version 4.0.8 only; version 4.0.9 only; version 4.0.10 only; version 4.0.16 only; …

Published 2005-05-02. Last modified 2026-06-16.