CVSS v3 7.5
Successful exploitation of this vulnerability could allow attackers to intercept sensitive communications, establish a man-in-the-middle attack, achieve administrator privileges, and execute remote code.
The following PEPPERL+FUCHS product families are affected:
An authentication vulnerability within CredSSP may allow interception of user credentials resulting in remote code execution.
Eyal Karni, Yaron Zinar, and Roman Blachman with Preempt Research Labs reported this vulnerability to PEPPRL+FUCHS, who then reported it to NCCIC.
PEPPRL+FUCHS recommends users using HMI devices within VisuNet RM, VisuNet PC or BTC product families follow these guidelines:
For more information CERT@VDE has released a security advisory found at:
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.
NCCIC also recommends that users take the following measures to protect themselves from social engineering attacks:
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely. High skill level is needed to exploit.
For any questions related to this report, please contact the CISA at:
Toll Free: 1-888-282-0870
For industrial control systems cybersecurity information: https://www.us-cert.gov/ics
or incident reporting: https://www.us-cert.gov/report
CISA continuously strives to improve its products and services. You can help by choosing one of the links below to provide feedback about this product.
This product is provided subject to this Notification and this Privacy & Use policy.
Was this document helpful? Yes | Somewhat | No