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    CVE-2020-12061

    An issue was discovered in Nitrokey FIDO U2F firmware through 1.1. Communication between the microcontroller and the secure element transmits credentials in plain. This allows an adversary to eavesdrop the communication and derive the secrets stored in the microcontroller. As a result, the attacker is able to arbitrarily manipulate the firmware of the microcontroller.

    Published:May 21, 2021
    Last Modified:Nov 21, 2024
    EPS:May 21, 2021
    EPSS Score:0.00428
    CVSS Score:9.8

    Affected Products

    Vendor
    Nitrokey
    Product
    Fido U2f
    Vendor
    Nitrokey
    Product
    Fido U2f Firmware

    Exploits

    https://eprint.iacr.org/2021/640.pdfhttps://eprint.iacr.org/2021/640.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