CVE-2023-48696
Azure RTOS USBX Remote Code Execution Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Azure RTOS USBX Remote Code Execution Vulnerability
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.
- Record
CVE-2023-48696- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-825, CWE-754
- Updated
- 2026-11-02
EUVDEUVD-2023-52740
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.
- Record
EUVD-2023-52740- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-03
NVD
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.
- Record
CVE-2023-48696- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-754, CWE-825
- Updated
- 2026-11-02
OSV
Azure RTOS USBX Remote Code Execution Vulnerability
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.
- Record
CVE-2023-48696- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-754, CWE-825
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-48696 is a medium vulnerability (CVSS 6.7) in Azure-rtos Usbx, published December 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.