title: Azure RTOS USBX Remote Code Execution Vulnerability
description: 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.
problem types: CWE-787: Out-of-bounds Write
affected:
{
vendor: azure-rtos
product: usbx
versions:
version: < 6.3.0, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: PHYSICAL
availabilityImpact: NONE
baseScore: 7.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
version: 3.1
]