PT-2018-26: Information Disclosure in MatrikonOPC Explorer

Vulnerable software

MatrikonOPC Explorer
Version: 5.0 and earlier


Severity level

Severity level: Medium
Impact: Data leak
Access Vector: Local

CVSS v3:
Base Score: 6.1
Vector: (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)

CVE: CVE-2018-8714

Vulnerability description

The specialists of the Positive Research center have detected an Information Disclosure vulnerability in MatrikonOPC Explorer.

A vulnerability in MatrikonOPC Explorer, related to MSXML libraries, allows attackers to transfer arbitrary files from a host system and obtain sensitive information.

How to fix

Update your software up to the latest version

Advisory status

20.02.2015 - Vendor gets vulnerability details
02.04.2018 - Vendor releases fixed version and details
07.12.2018 - Public disclosure


The vulnerability was detected by Ilya Karpov, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research:

About Positive Technologies

Positive Technologies is a leading digital security firm with over 15 years of experience in 360° protection of critical IT systems against the most advanced cyberthreats. State-of-the-art solutions are developed at the company's research center—one of the largest in Europe. Positive Technologies experts have helped to identify and fix over 250 zero-day vulnerabilities in products from Cisco, Google, Honeywell, Huawei, Microsoft, Oracle, SAP, Schneider Electric, Siemens, and others, earning a reputation for world-class expertise in protection of devices and infrastructures at all scales from ATMs to nuclear power stations. Findings by Positive Technologies researchers are used for updating the MaxPatrol knowledge base and for development of security solutions including PT Application Firewall, PT Application Inspector, MaxPatrol. These products allow securing web applications, evaluating network protection, blocking attacks in real time, ensuring compliance with industry and national standards, and training security specialists. Positive Technologies is the organizer of the annual Positive Hack Days international forum and security competition.