Number: AV20-034
Date: 12 February 2020
On 11 February 2020 Siemens released security updates to address vulnerabilities in the following products:
• SCALANCE S-600
• OZW Web Server
• SIPORT MP
• SCALANCE X Switches
• SIMATIC PCS 7, SIMATIC WinCC, and SIMATIC NET PC
• SIMATIC S7
• PROFINET-IO Stack
• SIMATIC CP 1543-1
• Industrial Products SNMP (in SCALANCE, SIMATIC, SIPLUS products)
Successful exploitation of these vulnerabilities may allow a remote actor to trigger a denial of service, access protected data or remotely execute code at the administrative level of an affected device.
The Cyber Centre encourages users and administrators to review the following advisories and apply the necessary manufacturer updates:
ICS Advisory (ICSA-20-042-02)
https://www.us-cert.gov/ics/advisories/icsa-20-042-02
ICS Advisory (ICSA-20-042-03)
https://www.us-cert.gov/ics/advisories/icsa-20-042-03
ICS Advisory (ICSA-20-042-04)
https://www.us-cert.gov/ics/advisories/icsa-20-042-04
ICS Advisory (ICSA-20-042-05)
https://www.us-cert.gov/ics/advisories/icsa-20-042-05
ICS Advisory (ICSA-20-042-06)
https://www.us-cert.gov/ics/advisories/icsa-20-042-06
ICS Advisory (ICSA-20-042-07)
https://www.us-cert.gov/ics/advisories/icsa-20-042-07
ICS Advisory (ICSA-20-042-08)
https://www.us-cert.gov/ics/advisories/icsa-20-042-08
ICS Advisory (ICSA-20-042-09)
https://www.us-cert.gov/ics/advisories/icsa-20-042-09
ICS Advisory (ICSA-20-042-10)
https://www.us-cert.gov/ics/advisories/icsa-20-042-10
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.