CVE-2023-48695 HIGH

CVE-2023-48695: Azure RTOS USBX Remote Code Execution Vulnerability

Vendor Azure-Rtos
Product usbx
Weakness CWE-787
Published December 5, 2023
Last update May 29, 2025

CVSS base score

7.2/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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 out of bounds write vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host and device classes, related to CDC ECM and RNDIS 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.

Key dates

02Disclosure timeline

December 5, 2023 CVE published
May 29, 2025 Record updated