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9.8
CRITICAL CVSS 3.1
CVE-2023-48696
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 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.

INFO

Published Date :

Dec. 5, 2023, 1:15 a.m.

Last Modified :

Oct. 27, 2025, 1:57 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2023-48696 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft azure_rtos_usbx
1 Eclipse threadx_usbx
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 CRITICAL [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-48696.

URL Resource
https://github.com/azure-rtos/usbx/security/advisories/GHSA-h733-98hq-f884 Third Party Advisory
https://github.com/azure-rtos/usbx/security/advisories/GHSA-h733-98hq-f884 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-48696 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-48696 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-48696 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-48696 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CPE Deprecation Remap by [email protected]

    Oct. 27, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:azure_rtos_usbx:*:*:*:*:*:*:*:* versions from (excluding) 6.3.0 OR *cpe:2.3:a:eclipse:threadx_usbx:*:*:*:*:*:*:*:* versions from (excluding) 6.3.0
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/azure-rtos/usbx/security/advisories/GHSA-h733-98hq-f884
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 08, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/azure-rtos/usbx/security/advisories/GHSA-h733-98hq-f884 No Types Assigned https://github.com/azure-rtos/usbx/security/advisories/GHSA-h733-98hq-f884 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:microsoft:azure_rtos_usbx:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.0
  • CVE Received by [email protected]

    Dec. 05, 2023

    Action Type Old Value New Value
    Added 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 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.
    Added Reference GitHub, Inc. https://github.com/azure-rtos/usbx/security/advisories/GHSA-h733-98hq-f884 [No types assigned]
    Added CWE GitHub, Inc. CWE-825
    Added CWE GitHub, Inc. CWE-754
    Added CVSS V3.1 GitHub, Inc. AV:P/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.33 }} -0.02%

score

0.55147

percentile