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    CVE-2021-35465

    Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction. A Non-secure handler may have read or write access to part of a Secure context. This affects Arm Cortex-M33 r0p0 through r1p0, Arm Cortex-M35P r0, Arm Cortex-M55 r0p0 through r1p0, and Arm China STAR-MC1 (in the STAR SE configuration).

    Published:Aug 23, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 23, 2021
    EPSS Score:0.00052
    CVSS Score:3.4

    Affected Products

    Vendor
    Arm
    Product
    China Star-mc1
    Vendor
    Arm
    Product
    China Star-mc1 Firmware
    Vendor
    Arm
    Product
    Cortex-m33
    Vendor
    Arm
    Product
    Cortex-m33 Firmware
    Vendor
    Arm
    Product
    Cortex-m35p
    Vendor
    Arm
    Product
    Cortex-m35p Firmware
    Vendor
    Arm
    Product
    Cortex-m55
    Vendor
    Arm
    Product
    Cortex-m55 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    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