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    CVE-2023-26244

    An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppDMClient binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the digital signature check of AppUpgrade and .lge.upgrade.xml files, which are used during the firmware installation process. This indirectly allows an attacker to use a custom version of AppUpgrade and .lge.upgrade.xml files.

    Published:Apr 27, 2023
    Last Modified:Jun 4, 2026
    EPS:Apr 27, 2023
    EPSS Score:0.00086
    CVSS Score:7.8

    Affected Products

    Vendor
    Hyundai
    Product
    Gen5w L
    Vendor
    Hyundai
    Product
    Gen5w L Firmware

    Exploits

    https://sowhat.iit.cnr.it:8443/can-work/chimaerahttps://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdfhttps://sowhat.iit.cnr.it:8443/can-work/chimaerahttps://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdf

    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