CVE-2023-32170 MEDIUM

CVE-2023-32170: Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability

Vendor Unified Automation
Product UaGateway
Weakness CWE-20 · Input validation
Published May 3, 2024
Last update August 2, 2024

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate. The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20494.

Key dates

02Disclosure timeline

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