VDB-246806 · CVE-2023-48697 · GHSA-p2p9-wp2q-wjv4

azure-rtos usbx up to 6.2.1 null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in azure-rtos usbx up to 6.2.1. Affected is an unknown function. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2023-48697. The attack can be executed directly on the physical device. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in azure-rtos usbx up to 6.2.1. It has been rated as problematic. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 memory buffer and pointer vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in pictbridge and host class, related to PIMA, storage, CDC ACM, ECM, audio, hub 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.

The weakness was released 12/05/2023 as GHSA-p2p9-wp2q-wjv4. The advisory is available at github.com. This vulnerability is handled as CVE-2023-48697 since 11/17/2023. The technical details are unknown and an exploit is not available.

Upgrading to version 6.3.0 eliminates this vulnerability.

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Productinfo

Vendor

azure-rtos

Name

usbx

Version

Website

Product: https://github.com/azure-rtos/usbx/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.4
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: usbx 6.3.0

Timelineinfo

11/17/2023 🔍
12/05/2023 +18 days 🔍
12/05/2023 +0 days 🔍
10/27/2025 +692 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-p2p9-wp2q-wjv4
Status: Confirmed

CVE: CVE-2023-48697 (🔍)
GCVE (CVE): GCVE-0-2023-48697
GCVE (VulDB): GCVE-100-246806

Entryinfo

Created: 12/05/2023 07:47
Updated: 10/27/2025 15:31
Changes: 12/05/2023 07:47 (50), 12/23/2023 09:53 (11), 10/27/2025 15:31 (16)
Complete: 🔍
Cache ID: 216::103