CVE-2023-32171 MEDIUM

CVE-2023-32171: Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability

Vendor Unified Automation
Product UaGateway
Weakness CWE-476
Published May 3, 2024
Last update August 2, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 3, 2024 CVE published
August 2, 2024 Record updated