CVE-2000-1032: Check Point Firewall-1

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

The client authentication interface for Check Point Firewall-1 4.0 and earlier generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to identify valid usernames on the firewall.

Affected products

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

Published 2000-12-11. Last modified 2026-06-16.