Kerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to…
Priority LOW 23Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Kerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to bypass the Application Security feature and execute arbitrary processes by directly writing to \device\physicalmemory to restore the running kernel's SDT ServiceTable.
Why it matters now
EPSS 0.00924 60th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:* | 4.0.6 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:* | 4.0.7 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:* | 4.0.8 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:* | 4.0.9 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:* | 4.0.10 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:* | 4.0.16 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:* Versions 4.0.8 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:* Versions 4.0.10 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:* Versions 4.0.16 Vulnerable ·Kerio
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1658
- 2026-10-03 Alias added: GHSA-37gr-95fp-3q54
References
More Kerio Personal Firewall vulnerabilities
- 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
Sources
- CVE-2004-1658 · CVE Program
- CVE-2004-1658 · NVD
- FIRST EPSS
- GHSA-37gr-95fp-3q54 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences