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    CVE-2021-42205

    ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.

    Published:Nov 7, 2022
    Last Modified:May 2, 2025
    EPS:Nov 7, 2022
    EPSS Score:0.0004
    CVSS Score:4.7

    Affected Products

    Vendor
    Lenovo
    Product
    Elan Miniport Touchpad Driver

    Exploits

    https://github.com/gmh5225/CVE-2021-42205

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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