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    CVE-2022-41721

    A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead be reading the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.

    Published:Jan 13, 2023
    Last Modified:Apr 4, 2025
    EPS:Jan 13, 2023
    EPSS Score:0.00074
    CVSS Score:7.5

    Affected Products

    Vendor
    Golang
    Product
    H2c
    Vendor
    Redhat
    Product
    Acm
    Vendor
    Redhat
    Product
    Migration Toolkit Applications
    Vendor
    Redhat
    Product
    Multicluster Engine
    Vendor
    Redhat
    Product
    Openshift

    Exploits

    https://go.dev/issue/56352https://go.dev/issue/56352

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-273 HTTP Response Smuggling
    CAPEC-33 HTTP Request Smuggling

    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