[Control systems] JTEKT security advisory

Number: AV21-159
Date: 14 April 2021

On 13 April 2021, ICS-CERT published an ICS Advisory to highlight a vulnerability VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. in the following products:

  • TOYOPUC-PC10 Series:
    • PC10G-CPU TCC-6353 - all versions
    • PC10GE TCC-6464 - all versions
    • PC10P TCC-6372 - all versions
    • PC10P-DP TCC-6726 - all versions
    • PC10P-DP-IO TCC-6752 - all versions
    • PC10B-P TCC-6373 - all versions
    • PC10B TCC-1021 - all versions
    • PC10B-E/C TCU-6521 - all versions
    • PC10E TCC-4737 - all versions
  • TOYOPUC-Plus Series:
    • Plus CPU TCC-6740 - all versions
    • Plus EX TCU-6741 - all versions
    • Plus EX2 TCU-6858 - all versions
    • Plus EFR TCU-6743 - all versions
    • Plus EFR2 TCU-6859 - all versions
    • Plus 2P-EFR TCU-6929 - all versions
    • Plus BUS-EX TCU-6900 - all versions
  • TOYOPUC-PC3J/PC2J Series:
    • FL/ET-T-V2H THU-6289 - all versions
    • 2PORT-EFR THU-6404 - all versions

Exploitation of this vulnerability could allow an unauthorized actor to stop Ethernet communications between devices from being established.

The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates.

ICS Advisory (ICSA-21-103-03)
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-03 

Note to Readers
The Canadian Centre for Cyber Security Cyber securityThe protection of digital information, as well as the integrity of the infrastructure housing and transmitting digital information. More specifically, cyber security includes the body of technologies, processes, practices and response and mitigation measures designed to protect networks, computers, programs and data from attack, damage or unauthorized access so as to ensure confidentiality, integrity and availability. (Cyber Centre) operates as part of the Communications Security Establishment.  We are Canada’s national authority on cyber security and we lead the government’s response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure Critical infrastructureProcesses, systems, facilities, technologies, networks, assets, and services essential to the health, safety, security, or economic well-being of Canadians and the effective functioning of government. Critical infrastructure can be stand-alone or interconnected and interdependent within and across provinces, territories, and national borders. Disruptions of critical infrastructure could result in catastrophic loss of life, adverse economic effects, and significant harm to public confidence. , Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.

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