CVE-2023-48697 | BDVDB-2026-218558 Detail

azure-rtosusbx

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 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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: physical.

Weaknesses#

CWE-476 NULL Pointer Dereference
CWE-825 Expired Pointer Dereference
CWE-787 Out-of-bounds Write

References#

https://github.com/azure-rtos/usbx/security/advisories/GHSA-p2p9-wp2q-wjv4

Exploit#

No public exploit known

History#

Version 12023-12-05Record published in the CVE List.
Version 22024-08-28Most recent update recorded in the CVE List.

Published

Published: 2023-12-05
Last modified: 2024-08-28

Vendor information

Vendor: azure-rtos
Product: usbx

All azure-rtos vulnerabilities

Score

6.4 Medium

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 68.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 6.3.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.4 Medium

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Physical
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).