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    CVE-2020-8289

    Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.

    Published:Dec 27, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 27, 2020
    EPSS Score:0.20543
    CVSS Score:7.8

    Affected Products

    Vendor
    Backblaze
    Product
    Backblaze

    Exploits

    https://github.com/geffner/CVE-2020-8289/blob/master/README.mdhttps://youtu.be/W0THXbcX5V8https://github.com/geffner/CVE-2020-8289/blob/master/README.mdhttps://youtu.be/W0THXbcX5V8https://github.com/geffner/CVE-2020-8289

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    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