Number: AV21-201
Date: 30 April 2021
On 30 April 2021 B&R published a Cyber Security Advisory to address a vulnerability in the following versions of its:
- B&R HMI products :
- 4B1400.00-K30 – version E0 and prior
- 4B1400.00-K32 – version E0 and prior
- 4B1400.00-K59 – version D0 and prior
- 4B1400.00-K60 – version D0 and prior
- 4B1400.00-K63 – version C0 and prior
- 4B1400.00-K64 – version E0 and prior
- 4B1400.00-K65 – version D0 and prior
- 4B1400.00-K68 – version E0 and prior
- 4B1400.00-K69 – version D0 and prior
- 4B1400.00-K70 – version E0 and prior
- 4B1400.00-K73 – version D0 and prior
- 5AP933.156B-K12 – version A0 and prior
- 5AP93D.156C-K01 – version G0 and prior
- 5PC725.1505-K15 – version H0 and prior
- 5PC725.1505-K16 – version D0 and prior
- 5PC725.1505-K17 – version C0 and prior
- 5PC725.1505-K25 – version G0 and prior
- 5PC725.1505-K26 – version E0 and prior
- 5PC725.1505-K27 – version C0 and prior
- 5PC725.1505-K14 – version I0 and prior
- 5PC725.1505-K24 – version I0 and prior
- B&R I/O system products:
- X20BC00E3 – version D9 and prior
- X20cBC00E3 – version D9 and prior
- X67BCE321.L12 – version C9 and prior
Exploitation of this vulnerability by an unauthenticated actor with network access may trigger a Denial-of-Service (DoS ) on the affected B&R products, thus compromising the availability of the device.
The Cyber Centre encourages users and administrators to review the provided web link and perform the suggested mitigations.
Cyber Security Advisory #02/2021
https://www.br-automation.com/downloads_br_productcatalogue/assets/1619200175188-en-original-1.1.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.