Bulletins

A Denial-of-Service vulnerability has been identified in SIMATIC PCS 7, SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC NET PC-Software. Siemens has released updates for several affected products and recommends that customers update to the new version. Siemens is preparing further updates and recommends specific countermeasures until patches are available.

Multiple vulnerabilities have been identified in the WibuKey Digital Rights Management (DRM) solution, which affect WinCC OA. Siemens recommends users to apply the updates to WibuKey Digital Rights Management (DRM) provided by WIBU SYSTEMS AG.

Security researchers published information on vulnerabilities known as Spectre and Meltdown. These vulnerabilities affect many modern processors from different vendors to a varying degree. Several Industrial Products include affected processors and are affected by the vulnerabilities.

Versions of SIMATIC S7-1500, SIMATIC S7-1500 Software Controller and SIMATIC ET 200 SP Open Controller are affected by a denial-of-service vulnerability. An attacker with network access to the PLC can cause a Denial-of-Service condition on the network stack.

There are multiple vulnerabilities in the Intel Management Engine used in multiple SIMATIC IPC devices that may allow arbitrary code execution, a partial denial of service or information disclosure. For additional information see: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.html. Siemens provides updates for the affected devices.

The SICAM A8000 RTU series is affected by a security vulnerability that could allow unauthenticated remote users to cause a Denial-of-Service (DoS) condition of the web server of affected products. Siemens has released updates for all product variants and recommends that customers update to the new versions.