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CVE-2023-48698

Azure RTOS USBX Remote Code Execution Vulnerability

Published: Dec 5, 2023Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-754
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
0.9%
Top 44.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 expired pointer dereference vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host stack and host classes, related to device linked classes, GSER and HID 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.

CVSS Vector Breakdown

AV:PAC:HPR:NUI:NS:CC:HI:HA:N
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-754CWE-825

Affected Products

usbxazure-rtos
Embedded
Operating Systems / rtos-embedded-os
threadx usbxeclipseDevTools & CI
Azure RTOS USBXMicrosoft Corp
On-prem
Operating Systems / windows
azure-rtoscommercialOperating Systemsaka usbx, netxduo, filex
eclipseoss-projectBEDevTools & CIaka eclipse-foundation
microsoft corpcommercialUSOperating Systemsaka microsoft corporation

Exploitability

Official Patch Available

References

https://github.com/azure-rtos/usbx/security/advisories/GHSA-grhp-f66q-x857
github.com
https://vuldb.com/ru/?id.246807
vuldb.com

Timeline

Published
Dec 5, 2023
Last Updated
Oct 27, 2025

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