#VU53245 Information disclosure in Unified Automation .NET based OPC UA Client/Server SDK Bundle - CVE-2021-27434

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Main Vulnerability Database Vulnerabilities #VU53245

#VU53245 Information disclosure in Unified Automation .NET based OPC UA Client/Server SDK Bundle - CVE-2021-27434

Published: May 14, 2021


Vulnerability identifier: #VU53245
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-27434
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Unified Automation .NET based OPC UA Client/Server SDK Bundle
Software vendor:
Unified Automation GmbH

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the OPC UA .NET Framework. A remote attacker can gain unauthorized access to sensitive information on the system.

Note: This vulnerability affects the following OPC UA products:

Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) 


Remediation

Install updates from vendor's website.

External links