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    CVE-2022-45195

    SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol.

    Published:Nov 12, 2022
    Last Modified:May 1, 2025
    EPS:Nov 12, 2022
    EPSS Score:0.00148
    CVSS Score:5.3

    Affected Products

    Vendor
    Simplex
    Product
    Simplex Chat
    Vendor
    Simplex
    Product
    Simplexmq

    Exploits

    https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdfhttps://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.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