Number: AV20-180
Date: 10 June 2020
On 9 June 2020 Siemens released security updates to address multiple vulnerabilities in Siemens products, including:
- Siemens Windows-based Industrial Software Applications
- Multiple SIMATIC Software
- SIEMENS LOGO!
- SINUMERIK
Successful exploitation of these vulnerabilities may allow for local privilege escalation, remote code execution, denial of service, access to and altering of device configuration and unintended information disclosure.
The Cyber Centre encourages users and administrators to review the following, perform the suggested mitigations and apply the necessary manufacturer updates when available:
Unquoted search path vulnerabilities in multiple Windows-based industrial software applications:
https://cert-portal.siemens.com/productcert/pdf/ssa-312271.pdf
Denial-of-Service and DLL hijacking vulnerabilities in multiple SIMATIC software products:
https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf
Missing authentication vulnerability in SIEMENS LOGO!:
https://cert-portal.siemens.com/productcert/pdf/ssa-817401.pdf
UltraVNC vulnerabilities within SINUMERIK products:
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.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.