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TI-2003-01391 Aliases CVE-2003-1491GHSA-2cwh-mxjx-crhg

Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from…

Priority LOW 37CWE-16Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53.

Why it matters now

EPSS 0.0237 83rd 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:2.1.4:*:*:*:*:*:*:*2.1.4VulnerableKerio
  • cpe:2.3:a:kerio:personal_firewall:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·Kerio

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-1491
  2. 2026-10-03 Alias added: GHSA-2cwh-mxjx-crhg

References

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-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
  • TI-2002-02074 Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to cause a denial… 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