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    CVE-2023-31247

    A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

    Published:Nov 14, 2023
    Last Modified:Nov 4, 2025
    EPS:Nov 14, 2023
    EPSS Score:0.00365
    CVSS Score:9

    Affected Products

    Vendor
    Silabs
    Product
    Gecko Software Development Kit
    Vendor
    Weston-embedded
    Product
    Cesium Net
    Vendor
    Weston-embedded
    Product
    Uc-http

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746

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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