What is the CVSS score of CVE-2024-50596?

CVE-2024-50596 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.3%.

Which versions of X Cube Azrt H7Rs are affected by CVE-2024-50596?

CVE-2024-50596 presents moderate security risk rated CVSS 4.3. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2024-50596?

Yes, a public proof-of-concept exploit is available for CVE-2024-50596. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2024-50596?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Monitor vendor channels for patch availability.

X Cube Azrt H7Rs CVE-2024-50596

MEDIUM

Integer Underflow (CWE-191)

2025-04-02 talos-cna@cisco.com

Denial Of Service Integer Overflow 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 X Cube Azrtos Wl St

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

PoC Detected

Nov 03, 2025 - 20:16 vuln.today

Public exploit code

CVE Published

Apr 02, 2025 - 14:15 nvd

MEDIUM 4.3

DescriptionCVE.org

An integer underflow vulnerability exists in the HTTP server PUT request functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet 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

AnalysisAI

An integer underflow vulnerability exists in the HTTP server PUT request functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-191. An integer underflow vulnerability exists in the HTTP server PUT request functionality of STMicroelectronics X-CUBE-AZRTOS-WL 2.0.0. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet 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 Affected products include: St X-Cube-Azrt-H7Rs, St X-Cube-Azrtos-F4, St X-Cube-Azrtos-F7, St X-Cube-Azrtos-G0, St X-Cube-Azrtos-G4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.