CVE-2022-2561: Opclabs Quickopc

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC 2022.1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of XML files in Connectivity Explorer. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-16596.

Affected products

• Opclabs Quickopc: from 5.63, before 5.63.246 (fixed in 5.63.246)

Published 2023-03-29. Last modified 2026-06-17.