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    CVE-1999-0284

    Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.

    Published:Jan 1, 1998
    Last Modified:Apr 16, 2026
    EPS:Feb 4, 2000
    EPSS Score:0.03334
    CVSS Score:7.5

    Affected Products

    Vendor
    Ibm
    Product
    Lotus Domino Mail Server
    Vendor
    Microsoft
    Product
    Exchange Server

    Exploits

    https://www.exploit-db.com/exploits/23146https://www.exploit-db.com/exploits/23113https://www.exploit-db.com/exploits/23145

    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