CVE-2023-32171

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt	Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-776/	Third Party Advisory
https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt	Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-776/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:*

History

08 Aug 2025, 14:16

Type	Values Removed	Values Added
First Time		Unified-automation Unified-automation uagateway
CPE		cpe:2.3:a:unified-automation:uagateway::::::::
References	~~() https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt -~~	() https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt - Release Notes
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-23-776/ -~~	() https://www.zerodayinitiative.com/advisories/ZDI-23-776/ - Third Party Advisory

Information

Published : 2024-05-03 02:15

Updated : 2025-08-08 14:16

NVD link : CVE-2023-32171

Mitre link : CVE-2023-32171

CVE.ORG link : CVE-2023-32171

JSON object : View

Products Affected

unified-automation

uagateway

CWE

CWE-476

NULL Pointer Dereference

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