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    CVE-2020-21524

    There is a XML external entity (XXE) vulnerability in halo v1.1.3, The function of importing other blogs in the background(/api/admin/migrations/wordpress) needs to parse the xml file, but it is not used for security defense, This vulnerability can detect the intranet, read files, enable ddos attacks, etc. exp:https://github.com/halo-dev/halo/issues/423

    Published:Sep 30, 2020
    Last Modified:Nov 21, 2024
    EPS:Sep 30, 2020
    EPSS Score:0.00287
    CVSS Score:9.1

    Affected Products

    Vendor
    Halo
    Product
    Halo

    Exploits

    https://github.com/halo-dev/halo/issues/423https://github.com/halo-dev/halo/issues/423

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

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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