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    CVE-2021-47759

    MTPutty 1.0.1.21 contains a sensitive information disclosure vulnerability that allows local attackers to view SSH connection passwords through Windows PowerShell process listing. Attackers can run a PowerShell command to retrieve the full command line of MTPutty processes, exposing plaintext SSH credentials.

    Published:Jan 15, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 15, 2026
    EPSS Score:0.00019
    CVSS Score:6.2

    Affected Products

    Vendor
    Ttyplus
    Product
    Mtputty

    Exploits

    No exploit reference

    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