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    CVE-2008-6984

    Plesk 8.6.0, when short mail login names (SHORTNAMES) are enabled, allows remote attackers to bypass authentication and send spam e-mail via a message with (1) a base64-encoded username that begins with a valid shortname, or (2) a username that matches a valid password, as demonstrated using (a) SMTP and qmail, and (b) Courier IMAP and POP3.

    Published:Aug 18, 2009
    Last Modified:Apr 23, 2026
    EPS:Aug 18, 2009
    EPSS Score:0.00243
    CVSS Score:5.8

    Affected Products

    Vendor
    Parallels
    Product
    Plesk

    Common Weakness Enumeration

    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