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    CVE-2003-1491

    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.

    Published:Dec 31, 2003
    Last Modified:Apr 16, 2026
    EPS:Oct 24, 2007
    EPSS Score:0.00271
    CVSS Score:7.5

    Affected Products

    Vendor
    Kerio
    Product
    Personal Firewall

    Exploits

    No exploit reference

    Related CVEs

    CVE-2006-5153 (CVSS 5) — The (1) fwdrv.sys and (2) khips.sys drivers in Sunbelt Kerio Personal Firewall 4.3.268 and earlier do not vali…
    CVE-2006-3787 (CVSS 2.1) — kpf4ss.exe in Sunbelt Kerio Personal Firewall 4.3.x before 4.3.268 does not properly hook the CreateRemoteThre…
    CVE-2005-3286 (CVSS 2.1) — The FWDRV driver in Kerio Personal Firewall 4.2 and Server Firewall 1.1.1 allows local users to cause a denial…
    CVE-2005-1062 (CVSS 7.5) — The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, a…
    CVE-2005-1063 (CVSS 5) — The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, a…
    CVE-2005-0964 (CVSS 4.6) — Unknown vulnerability in Kerio Personal Firewall 4.1.2 and earlier allows local users to bypass firewall rules…
    CVE-2004-2329 (CVSS 7.2) — Kerio Personal Firewall (KPF) 2.1.5 allows local users to execute arbitrary code with SYSTEM privileges via th…
    CVE-2004-1907 (CVSS 2.6) — The Web Filtering functionality in Kerio Personal Firewall (KPF) 4.0.13 allows remote attackers to cause a den…
    CVE-2004-1109 (CVSS 5) — The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of…
    CVE-2004-1658 (CVSS 4.6) — Kerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to bypass the Application…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High