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    CVE-2019-20477

    PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.

    Published:Nov 18, 2019
    Last Modified:Nov 21, 2024
    EPS:Feb 19, 2020
    EPSS Score:0.00456
    CVSS Score:9.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Pyyaml
    Product
    Pyyaml
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Quay

    Exploits

    https://www.exploit-db.com/download/47655https://www.exploit-db.com/download/47655

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

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    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