CVE-2002-2161: Kerio Personal Firewall

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to cause a denial of service (hang and CPU consumption) via a SYN packet flood.

Affected products

• Kerio Personal Firewall: version 2.1 only; version 2.1.1 only; version 2.1.2 only; version 2.1.3 only; version 2.1.4 only

Published 2002-12-31. Last modified 2026-06-16.