CVE-2000-0809: Check Point Firewall-1

Medium severity, CVSS 5.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Buffer overflow in Getkey in the protocol checker in the inter-module communication mechanism in Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to cause a denial of service.

Affected products

• Check Point Firewall-1: version 3.0 only; version 4.0 only; version 4.1 only

Published 2000-11-14. Last modified 2026-06-16.