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    CVE-2023-35841

    Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.

    Published:May 14, 2024
    Last Modified:Sep 25, 2025
    EPS:May 14, 2024
    EPSS Score:0.0005
    CVSS Score:7.8

    Affected Products

    Vendor
    Phoenix
    Product
    Winflash Driver
    Vendor
    Phoenixtech
    Product
    Winflash

    Exploits

    https://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.htmlhttps://blogs.vmware.com/security/2023/10/hunting-vulnerable-kernel-drivers.html

    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