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    CVE-2006-5420

    Kerio WinRoute Firewall 6.2.2 and earlier allows remote attackers to cause a denial of service (crash) via malformed DNS responses.

    Published:Oct 20, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 20, 2006
    EPSS Score:0.0192
    CVSS Score:5

    Affected Products

    Vendor
    Kerio
    Product
    Winroute Firewall

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2007-6385 (CVSS 2.1) — The proxy server in Kerio WinRoute Firewall before 6.4.1 does not properly enforce authentication for HTTPS pa…
    CVE-2006-2267 (CVSS 5) — Kerio WinRoute Firewall before 6.2.1 allows remote attackers to cause a denial of service (application crash) …
    CVE-2006-0336 (CVSS 5) — Kerio WinRoute Firewall before 6.1.4 Patch 2 allows attackers to cause a denial of service (CPU consumption an…
    CVE-2006-0335 (CVSS 5) — Multiple unspecified vulnerabilities in Kerio WinRoute Firewall before 6.1.4 Patch 1 allow remote attackers to…
    CVE-2005-4425 (CVSS 7.8) — Unspecified vulnerability in Kerio WinRoute Firewall before 6.1.3 allows remote attackers to cause a denial of…
    CVE-2005-4157 (CVSS 7.5) — Unspecified vulnerability in Kerio WinRoute Firewall before 6.1.3 allows remote attackers to authenticate to t…
    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-2004-2483 (CVSS 6.4) — Kerio WinRoute Firewall before 6.0.9 uses information from PTR queries in response to A queries, which allows …
    CVE-2004-1023 (CVSS 2.1) — Kerio Winroute Firewall before 6.0.9, ServerFirewall before 1.0.1, and MailServer before 6.0.5, when installed…

    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