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    CVE-2021-43298

    The code that performs password matching when using 'Basic' HTTP authentication does not use a constant-time memcmp and has no rate-limiting. This means that an unauthenticated network attacker can brute-force the HTTP basic password, byte-by-byte, by recording the webserver's response time until the unauthorized (401) response.

    Published:Jan 25, 2022
    Last Modified:Nov 21, 2024
    EPS:Jan 25, 2022
    EPSS Score:0.00287
    CVSS Score:9.8

    Affected Products

    Vendor
    Embedthis
    Product
    Goahead

    Exploits

    No exploit reference

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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