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    CVE-2020-20136

    QuantConnect Lean versions from 2.3.0.0 to 2.4.0.1 are affected by an insecure deserialization vulnerability due to insecure configuration of TypeNameHandling property in Json.NET library.

    Published:Dec 14, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 14, 2020
    EPSS Score:0.00326
    CVSS Score:9.8

    Affected Products

    Vendor
    Quantconnect
    Product
    Lean

    Exploits

    https://github.com/QuantConnect/Lean/issues/3537https://github.com/QuantConnect/Lean/issues/3537

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    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