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Vulnerability record · CVE-2007-2730 · published 16 May 2007

CVE-2007-2730: Checkpoint zonealarm vulnerability

Checkpoint · Zonealarm

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.

7.2 CVSS 2.0 High EPSS 0.32% · top 77.7%
7.2CVSS 2.0 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

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.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/37383
http://securityreason.com/securityalert/2714
http://www.matousec.com/info/advisories/Bypassing-PWF-HIPS-open-process-control-with-uncommon-identifier.php Vendor Advisory
http://www.securityfocus.com/archive/1/468643/100/0/threaded
http://osvdb.org/37383
http://securityreason.com/securityalert/2714
http://www.matousec.com/info/advisories/Bypassing-PWF-HIPS-open-process-control-with-uncommon-identifier.php Vendor Advisory
http://www.securityfocus.com/archive/1/468643/100/0/threaded

Track CVE-2007-2730 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2022-41604Checkpoint zonealarm improper privilege management vulnerabilityCheck Point ZoneAlarm Extreme Security before 15.8.211.19229 allows local users to escalate privileges. This occurs because of weak permissions for t…EPSS 0.62%7.8CVE-2022-23743Checkpoint zonealarm improper privilege management vulnerabilityCheck Point ZoneAlarm before version 15.8.200.19118 allows a local actor to escalate privileges during the upgrade process. In addition, weak permiss…EPSS 0.40%7.8CVE-2020-6023Checkpoint zonealarm untrusted search path vulnerabilityCheck Point ZoneAlarm before version 15.8.139.18543 allows a local actor to escalate privileges while restoring files in Anti-Ransomware.EPSS 0.34%7.8CVE-2019-8452Checkpoint endpoint security link following vulnerabilityA hard-link created from log file archive of Check Point ZoneAlarm up to 15.4.062 or Check Point Endpoint Security client for Windows before E80.96 t…EPSS 1.0%7.8CVE-2018-8790Checkpoint zonealarm incorrect authorization vulnerabilityCheck Point ZoneAlarm version 15.3.064.17729 and below expose a WCF service that can allow a local low privileged user to execute arbitrary code as S…EPSS 0.39%7.2CVE-2008-1736Comodo personal firewall vulnerabilityComodo Firewall Pro before 3.0 does not properly validate certain parameters to hooked System Service Descriptor Table (SSDT) functions, which allows…EPSS 0.37%7.2CVE-2007-4216Checkpoint zonealarm improper input validation vulnerabilityvsdatant.sys 6.5.737.0 in Check Point Zone Labs ZoneAlarm before 7.0.362 allows local users to gain privileges via a crafted Interrupt Request Packet…EPSS 0.37%7.2CVE-2007-2729Comodo firewall pro vulnerabilityComodo Firewall Pro 2.4.18.184 and Comodo Personal Firewall 2.3.6.81, and probably older Comodo Firewall versions, do not properly test for equivalen…EPSS 0.32%

Source: NIST National Vulnerability Database (record CVE-2007-2730), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.