STMicroelectronics X-CUBE-AZRT-H7RS 1.0.0 NetX Duo Component HTTP Server nxd_http_server.c integer underflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in STMicroelectronics X-CUBE-AZRT-H7RS, X-CUBE-AZRTOS-F4, X-CUBE-AZRTOS-F7, X-CUBE-AZRTOS-G0, X-CUBE-AZRTOS-G4, X-CUBE-AZRTOS-H7, X-CUBE-AZRTOS-L4, X-CUBE-AZRTOS-L5, X-CUBE-AZRTOS-WB and X-CUBE-AZRTOS-WL 1.0.0 and classified as problematic. This affects an unknown part of the file x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\http\nxd_http_server.c of the component NetX Duo Component HTTP Server. This manipulation causes integer underflow. The identification of this vulnerability is CVE-2024-50595. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in STMicroelectronics X-CUBE-AZRT-H7RS, X-CUBE-AZRTOS-F4, X-CUBE-AZRTOS-F7, X-CUBE-AZRTOS-G0, X-CUBE-AZRTOS-G4, X-CUBE-AZRTOS-H7, X-CUBE-AZRTOS-L4, X-CUBE-AZRTOS-L5, X-CUBE-AZRTOS-WB and X-CUBE-AZRTOS-WL 1.0.0. It has been declared as problematic. Affected by this vulnerability is an unknown part of the file x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\http\nxd_http_server.c of the component NetX Duo Component HTTP Server. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect availability. The summary by CVE is:

An integer underflow vulnerability exists in the HTTP server PUT request functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted series of network requests can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.This vulnerability affects the NetX Duo Component HTTP Server implementation which can be found in x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\http\nxd_http_server.c

It is possible to read the advisory at talosintelligence.com. This vulnerability is known as CVE-2024-50595 since 10/25/2024. The exploitation appears to be easy. The attack can be launched remotely. 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 09/05/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/25/2024 🔍
04/02/2025 +159 days 🔍
04/02/2025 +0 days 🔍
09/05/2025 +156 days 🔍

Sourcesinfo

Advisory: TALOS-2024-2102
Status: Not defined

CVE: CVE-2024-50595 (🔍)
GCVE (CVE): GCVE-0-2024-50595
GCVE (VulDB): GCVE-100-303019

Entryinfo

Created: 04/02/2025 16:09
Updated: 09/05/2025 20:27
Changes: 04/02/2025 16:09 (63), 09/05/2025 20:27 (12)
Complete: 🔍
Cache ID: 216::103

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