Is CVE-2023-32171 actively exploited?

No active exploitation of CVE-2023-32171 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-32171 be exploited remotely?

Yes. CVE-2023-32171 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-32171?

CVE-2023-32171 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2023-32171

CWE-476Published: May 3, 2024· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.

The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.

NVD Source

Technical Analysis

CVE-2023-32171 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.