CVE-2007-2730: Check Point Zonealarm

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Check Point ZoneAlarm Pro before 6.5.737.000 does not properly test for equivalence of process identifiers for certain Microsoft Windows API functions in the NT kernel 5.0 and greater, which allows local users to call these functions, and bypass firewall rules or gain privileges, via a modified identifier that is one, two, or three greater than the canonical identifier.

Affected products

• Check Point Zonealarm: up to and including 6.1.744.001
• Comodo Comodo Firewall Pro: version 2.4.18.184 only
• Comodo Comodo Personal Firewall: version 2.3.6.81 only

Published 2007-05-16. Last modified 2026-06-16.