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    CVE-2023-48696

    Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to expired pointer dereference vulnerabilities in Azure RTOS USBX. The affected components include components in host class, related to CDC ACM in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

    Published:Dec 5, 2023
    Last Modified:Oct 27, 2025
    EPS:Dec 5, 2023
    EPSS Score:0.00344
    CVSS Score:6.7

    Affected Products

    Vendor
    Eclipse
    Product
    Threadx Usbx

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-55095 (CVSS 4.2) — The function _ux_host_class_storage_media_mount() is responsible for mounting partitions on a USB mass storage…
    CVE-2025-55100 (CVSS 2.4) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55099 (CVSS 2.4) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55098 (CVSS 1) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55097 (CVSS 2.4) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2025-55096 (CVSS 2.1) — In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of boun…
    CVE-2023-48698 (CVSS 6.8) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48697 (CVSS 6.4) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48695 (CVSS 7.3) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…
    CVE-2023-48694 (CVSS 6.8) — Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure…

    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