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

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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, 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. Affected by this issue is some unknown functionality of the file x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c of the component NetX Duo Web Component HTTP Server. The manipulation results in integer underflow. This vulnerability was named CVE-2024-50594. The attack may be performed from remote. There is no available exploit.

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 classified as problematic. Affected is some unknown functionality of the file x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c of the component NetX Duo Web Component HTTP Server. The manipulation with an unknown input leads to a integer underflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

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 Web Component HTTP Server implementation which can be found in x-cube-azrtos-f7\Middlewares\ST\netxduo\addons\web\nx_web_http_server.c

The advisory is available at talosintelligence.com. This vulnerability is traded as CVE-2024-50594 since 10/25/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2024-50594 (🔍)
GCVE (CVE): GCVE-0-2024-50594
GCVE (VulDB): GCVE-100-303018

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!