Cyber Resilience

CVE-2023-32171

Medium

Published: 03 May 2024

Published
03 May 2024
Modified
08 August 2025
KEV Added
Patch
CVSS Score v3 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0082 74.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-32171 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Unified-Automation Uagateway. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 25.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

unified-automation
uagateway
≤ 1.5.13.487

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References