PT-2017-09: Information Disclosure in Hirschmann Automation and Control GmbH Classic Platform Switches

Vulnerable products

Version: all versions
Version: all versions
Version: all versions
Version: all versions
Version: all versions
Version: all versions
Version: all versions
Version: all versions


Severity level

Severity level: Medium
Impact: Information Disclosure
Access Vector: Remote

CVSS v3:
Base Score: 5.9
Vector: (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVE: CVE-2018-5471

Vulnerability description

The specialists of the Positive Research center have detected an Information Disclosure vulnerability in Hirschmann Automation and Control GmbH Classic Platform Switches.

A cleartext transmission of information vulnerability in the web interface of Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches allows man-in-the-middle attackers to obtain sensitive data.

How to fix

Use the recommendations

Advisory status

16.03.2017 - Vendor gets vulnerability details
06.03.2018 - Vendor releases fixed version and details
28.04.2018 - Public disclosure


The vulnerability was detected by Ilya Karpov, Evgeniy Druzhinin, and Damir Zainullin, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research:

About Positive Technologies

Positive Technologies is a leading provider of vulnerability assessment, compliance management and threat analysis solutions to more than 1,000 global enterprise clients. Our solutions work seamlessly across your entire business: securing applications in development; assessing your network and application vulnerabilities; assuring compliance with regulatory requirements; and blocking real-time attacks. Our commitment to clients and research has earned Positive Technologies a reputation as one of the foremost authorities on SCADA, Banking, Telecom, Web Application and ERP security, and distinction as the #1 fastest growing Security and Vulnerability Management firm in 2012, as shown in an IDC report*. To learn more about Positive Technologies please visit

*Source: IDC Worldwide Security and Vulnerability Management 2013-2017 Forecast and 2012 Vendor Shares, doc #242465, August 2013. Based on year-over-year revenue growth in 2012 for vendors with revenues of $20M+