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Vulnerability record · CVE-2005-0964 · published 2 May 2005

CVE-2005-0964: Kerio personal firewall vulnerability

Kerio · Personal Firewall

Unknown vulnerability in Kerio Personal Firewall 4.1.2 and earlier allows local users to bypass firewall rules via a malicious process that impersonates a legitimate process that has fewer restrictions.

4.6 CVSS 2.0 Medium EPSS 0.34% · top 75.2%
4.6CVSS 2.0 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Unknown vulnerability in Kerio Personal Firewall 4.1.2 and earlier allows local users to bypass firewall rules via a malicious process that impersonates a legitimate process that has fewer restrictions.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/14717 Vendor Advisory
http://securitytracker.com/id?1013607
http://www.kerio.com/security_advisory.html#0503 Vendor Advisory
http://www.securityfocus.com/bid/12946 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/19893
http://secunia.com/advisories/14717 Vendor Advisory
http://securitytracker.com/id?1013607
http://www.kerio.com/security_advisory.html#0503 Vendor Advisory
http://www.securityfocus.com/bid/12946 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/19893

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Related vulnerabilities

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

7.5CVE-2005-1062Kerio mailserver vulnerabilityThe administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote…EPSS 2.6%7.5CVE-2003-1491Kerio personal firewall code injection vulnerabilityKerio 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…EPSS 2.4%7.2CVE-2004-2329Kerio personal firewall vulnerabilityKerio Personal Firewall (KPF) 2.1.5 allows local users to execute arbitrary code with SYSTEM privileges via the Load button in the Firewall Configura…EPSS 0.56%5.0CVE-2006-5153Kerio personal firewall vulnerabilityThe (1) fwdrv.sys and (2) khips.sys drivers in Sunbelt Kerio Personal Firewall 4.3.268 and earlier do not validate arguments passed through to SSDT f…EPSS 1.6%5.0CVE-2005-1063Kerio mailserver vulnerabilityThe administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote…EPSS 1.6%5.0CVE-2004-1109Kerio personal firewall vulnerabilityThe FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system fr…EPSS 3.2%5.0CVE-2002-2161Kerio personal firewall vulnerabilityKerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to cause a denial of service (hang and CPU consumption) via a SYN packet floo…EPSS 1.6%4.6CVE-2004-1658Kerio personal firewall vulnerabilityKerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to bypass the Application Security feature and execute arbitrary…EPSS 0.92%

Source: NIST National Vulnerability Database (record CVE-2005-0964), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.