CVE-2000-0813: Check Point Firewall-1

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Check Point VPN-1/FireWall-1 4.1 and earlier allows remote attackers to redirect FTP connections to other servers ("FTP Bounce") via invalid FTP commands that are processed improperly by FireWall-1, aka "FTP Connection Enforcement Bypass."

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.