CVE-2000-1037: Check Point Firewall-1

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

Check Point Firewall-1 session agent 3.0 through 4.1 generates different error messages for invalid user names versus invalid passwords, which allows remote attackers to determine valid usernames and guess a password via a brute force attack.

Affected products

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

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