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    CVE-2019-14239

    On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.

    Published:Sep 24, 2019
    Last Modified:Nov 21, 2024
    EPS:Sep 24, 2019
    EPSS Score:0.00065
    CVSS Score:6.6

    Affected Products

    Vendor
    Nxp
    Product
    Kinetis K8x
    Vendor
    Nxp
    Product
    Kinetis K8x Firmware
    Vendor
    Nxp
    Product
    Kinetis Kv1x
    Vendor
    Nxp
    Product
    Kinetis Kv1x Firmware
    Vendor
    Nxp
    Product
    Kinetis Kv3x
    Vendor
    Nxp
    Product
    Kinetis Kv3x Firmware

    Exploits

    https://www.usenix.org/conference/woot19/presentation/schinkhttps://www.usenix.org/system/files/woot19-paper_schink.pdfhttps://www.usenix.org/conference/woot19/presentation/schinkhttps://www.usenix.org/system/files/woot19-paper_schink.pdf

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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