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TI-2006-03674 Aliases CVE-2006-3787GHSA-fj3f-9pm8-f5pp

kpf4ss.exe in Sunbelt Kerio Personal Firewall 4.3.x before 4.3.268 does not properly hook…

Priority LOW 12Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

kpf4ss.exe in Sunbelt Kerio Personal Firewall 4.3.x before 4.3.268 does not properly hook the CreateRemoteThread API function, which allows local users to cause a denial of service (crash) and bypass protection mechanisms by calling CreateRemoteThread.

Why it matters now

EPSS 0.00714 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:kerio:personal_firewall:*:*:*:*:*:*:*:*up to 4.3.246VulnerableKerio
  • cpe:2.3:a:kerio:personal_firewall:*:*:*:*:*:*:*:* Versions up to 4.3.246 Vulnerable ·Kerio

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-3787
  2. 2026-10-03 Alias added: GHSA-fj3f-9pm8-f5pp

References

Advisory 1

Other 2

  • TI-2005-01000 The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal… CVSS 2.0HIGH 7.5
  • TI-2003-01391 Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from… CVSS 2.0HIGH 7.5
  • TI-2004-02200 Kerio Personal Firewall (KPF) 2.1.5 allows local users to execute arbitrary code with… CVSS 2.0HIGH 7.2
  • TI-2004-01006 The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers… CVSS 2.0MEDIUM 5.0
  • TI-2006-04969 The (1) fwdrv.sys and (2) khips.sys drivers in Sunbelt Kerio Personal Firewall 4.3.268… CVSS 2.0MEDIUM 5.0
  • TI-2005-01001 The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal… CVSS 2.0MEDIUM 5.0
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences