CVE-2023-32172 MEDIUM

CVE-2023-32172: Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability

Vendor Unified Automation
Product UaGateway
Weakness CWE-416
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 Use-After-Free 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 implementation of the ImportXML function. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20497.

Key dates

02Disclosure timeline

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