Bulletins

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.

Security researchers published information on vulnerabilities known as Spectre-NG (Variants 3a and 4). 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 EN100 Ethernet communication module and SIPROTEC 5 relays are affected by security vulnerabilities which could allow an attacker to conduct a Denial-of-Service attack over the network. Siemens has released updates for several affected products, is working on updates for the remaining affected products, and recommends specific countermeasures until fixes …

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.