CVE-2003-0757: Check Point Firewall-1

Medium severity, CVSS 5.0. EPSS: 2.8% chance of exploitation in the next 30 days.

Check Point FireWall-1 4.0 and 4.1 before SP5 allows remote attackers to obtain the IP addresses of internal interfaces via certain SecuRemote requests to TCP ports 256 or 264, which leaks the IP addresses in a reply packet.

Affected products

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

Published 2003-10-20. Last modified 2026-06-16.