Number: AV20-387
Date: 21 October 2020
On 20 October 2020 ICS-CERT published an ICS Advisory to highlight vulnerabilities in the following product:
- Rockwell Automation 1794-AENT Flex I/O Series B - versions 4.003 and prior
Exploitation of these vulnerabilities could lead to a denial-of-service condition that may allow remote code execution on the device.
The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary manufacturer updates.
ICS Advisory (ICSA-20-294-01)
https://us-cert.cisa.gov/ics/advisories/icsa-20-294-01
Note to Readers
The Canadian Centre for Cyber Security (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, 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.