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    CVE-2017-3775

    Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.

    Published:May 4, 2018
    Last Modified:Nov 21, 2024
    EPS:May 4, 2018
    EPSS Score:0.00042
    CVSS Score:6.4

    Affected Products

    Vendor
    Lenovo
    Product
    Flex System X240 M5
    Vendor
    Lenovo
    Product
    Flex System X240 M5 Bios
    Vendor
    Lenovo
    Product
    Flex System X280 X6
    Vendor
    Lenovo
    Product
    Flex System X280 X6 Bios
    Vendor
    Lenovo
    Product
    Flex System X480 X6
    Vendor
    Lenovo
    Product
    Flex System X480 X6 Bios
    Vendor
    Lenovo
    Product
    Flex System X880
    Vendor
    Lenovo
    Product
    Flex System X880 Bios
    Vendor
    Lenovo
    Product
    Nextscale Nx360 M5
    Vendor
    Lenovo
    Product
    Nextscale Nx360 M5 Bios
    Vendor
    Lenovo
    Product
    System X3250 M6
    Vendor
    Lenovo
    Product
    System X3250 M6 Bios
    Vendor
    Lenovo
    Product
    System X3500 M5
    Vendor
    Lenovo
    Product
    System X3500 M5 Bios
    Vendor
    Lenovo
    Product
    System X3550 M5
    Vendor
    Lenovo
    Product
    System X3550 M5 Bios
    Vendor
    Lenovo
    Product
    System X3650 M5
    Vendor
    Lenovo
    Product
    System X3650 M5 Bios
    Vendor
    Lenovo
    Product
    System X3850 X6
    Vendor
    Lenovo
    Product
    System X3850 X6 Bios
    Vendor
    Lenovo
    Product
    System X3950 X6
    Vendor
    Lenovo
    Product
    System X3950 X6 Bios

    Exploits

    No exploit reference

    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