VDB-200667 · CVE-2022-29223 · GHSA-2qc5-385m-x862

Microsoft Azure RTOS USBX up to 6.1.9 bNbPorts buffer overflow

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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Microsoft Azure RTOS USBX up to 6.1.9. It has been classified as critical. Impacted is an unknown function. Performing a manipulation of the argument bNbPorts results in buffer overflow. This vulnerability is reported as CVE-2022-29223. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Azure RTOS USBX up to 6.1.9 (Cloud Software). This affects an unknown code block. The manipulation of the argument bNbPorts with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 05/25/2022 as GHSA-2qc5-385m-x862. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-29223 since 04/13/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/27/2025).

Upgrading to version 6.1.10 eliminates this vulnerability. The upgrade is hosted for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Microsoft

Name

Azure RTOS USBX

Version

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Azure RTOS USBX 6.1.10

Timelineinfo

04/13/2022 🔍
05/25/2022 +42 days 🔍
05/25/2022 +0 days 🔍
10/27/2025 +1251 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: GHSA-2qc5-385m-x862
Status: Confirmed

CVE: CVE-2022-29223 (🔍)
GCVE (CVE): GCVE-0-2022-29223
GCVE (VulDB): GCVE-100-200667

Entryinfo

Created: 05/25/2022 10:16
Updated: 10/27/2025 15:31
Changes: 05/25/2022 10:16 (52), 05/29/2022 18:25 (1), 10/27/2025 15:31 (33)
Complete: 🔍
Cache ID: 216::103