CVSS v3 3.3
ATTENTION: Low skill level to exploit
Successful exploitation of this vulnerability could crash the device.
The following versions of Alpha7 PC Loader, a motor controller, are affected:
An out-of-bounds read vulnerability has been identified, which may crash the system.
kimiya of 9SG Security Team, working with Trend Micro Zero Day Initiative, reported this vulnerability to NCCIC.
Fuji Electric has released Version 1.2 of the software, which can be downloaded from:
NCCIC recommends that users take the following measures to protect themselves from social engineering attacks:
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.
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.
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