Number: AV20-146
Date: 14 May 2020
On 12 May 2020 Siemens published a Siemens Security Advisory to address vulnerabilities in the following products:
• Siemens Power Meters Series 9410 (All versions before V2.2.1)
• Siemens Power Meters Series 9810 (All versions)
The vulnerabilities, (commonly known as URGENT/11) in the TCP/IP stack of the devices’ Wind River VxWorks real-time operating system, could allow an actor to execute a variety of exploits including denial-of-service, data extraction and remote code execution.
For more information, the Cyber Centre has previously published an Alert on the VxWorks vulnerabilities:
Wind River VxWorks IPnet TCP/IP Stack Vulnerabilities (AL19-015)
https://cyber.gc.ca/en/alerts/wind-river-vxworks-ipnet-tcpip-stack-vulnerabilities
The Cyber Centre encourages users and administrators to review the following web link, follow recommended mitigations and apply the necessary updates:
Siemens Security Advisory (SSA-352504)
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.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.