Number: AV20-441
Date: 20 November 2020
On 19 November 2020 Mitsubishi Electric published an advisory to address a vulnerability in the following MELSEC iQ-R series products:
- R00/01/02CPU - firmware version 19 and prior
- R04/08/16/32/120(EN)CPU - firmware version 51 and prior
- R08/16/32/120SFCPU - firmware version 22 and prior
- R08/16/32/120PCPU - all versions
- R08/16/32/120PSFCPU - all versions
- RJ71EN71 - firmware version 47 and prior
- RJ71GF11-T2 - firmware version 47 and prior
- RJ72GF15-T2 - firmware version 07 and prior
- RJ71GP21-SX - firmware version 47 and prior
- RJ71GP21S-SX - firmware version 47 and prior
- RJ71C24(-R2/R4) - all versions
- RJ71GN11-T2 - all versions
Exploitation of this vulnerability could cause a denial-of-service.
The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates when available.
Mitsubishi Electric advisory (2020-016)
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf
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.