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    CVE-2000-0339

    ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.

    Published:Apr 24, 2000
    Last Modified:Apr 16, 2026
    EPS:Jul 12, 2000
    EPSS Score:0.03359
    CVSS Score:7.5

    Affected Products

    Vendor
    Zonelabs
    Product
    Zonealarm

    Exploits

    https://www.exploit-db.com/exploits/19871

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2007-5044 (CVSS 6.9) — ZoneAlarm Pro 7.0.362.000 does not properly validate certain parameters to System Service Descriptor Table (SS…
    CVE-2007-2467 (CVSS 4.9) — ZoneAlarm Pro 6.5.737.000, 6.1.744.001, and possibly earlier versions and other products, allows local users t…
    CVE-2007-2083 (CVSS 6.9) — vsdatant.sys in Check Point Zone Labs ZoneAlarm Pro before 7.0.302.000 does not validate certain arguments bef…
    CVE-2007-0351 (CVSS 6.2) — Microsoft Windows XP and Windows Server 2003 do not properly handle user logoff, which might allow local users…
    CVE-2005-3560 (CVSS 7.5) — Zone Labs (1) ZoneAlarm Pro 6.0, (2) ZoneAlarm Internet Security Suite 6.0, (3) ZoneAlarm Anti-Virus 6.0, (4) …
    CVE-2005-1693 (CVSS 10) — Integer overflow in Computer Associates Vet Antivirus library, as used by CA InoculateIT 6.0, eTrust Antivirus…
    CVE-2005-0114 (CVSS 2.1) — vsdatant.sys in Zone Lab ZoneAlarm before 5.5.062.011, ZoneAlarm Wireless before 5.5.080.000, Check Point Inte…
    CVE-2004-1534 (CVSS 5) — ZoneAlarm and ZoneAlarm Pro before 5.5.062, with ad-blocking enabled, allows remote web sites to cause a denia…
    CVE-2004-2713 (CVSS 1.9) — Zone Alarm Pro 1.0 through 5.1 gives full access to %windir%\Internet Logs\* to the EVERYONE group, which allo…
    CVE-2004-0309 (CVSS 10) — Stack-based buffer overflow in the SMTP service support in vsmon.exe in Zone Labs ZoneAlarm before 4.5.538.001…

    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