Bulletins

A vulnerability has been identified in several SIMATIC products. The vulnerability could allow an attacker in a Man-in-the-Middle position to modify network traffic exchanged on port 102/tcp to PLCs of the SIMATIC S7-1200, SIMATIC S7-1500 and SIMATIC SoftwareController CPU families. Siemens has released updates for several affected products, and recommends …

There is an access mode used during manufacturing of S7-1200 CPUs that allows additional diagnostic functionality. Using this functionality requires physical access to the UART interface during boot process. Siemens is working on a solution and recommends specific countermeasures until the solution is available.

Mentor Nucleus by Mentor, a Siemens Business, is affected by one vulnerability. This vulnerability could allow an attacker to affect the integrity and availability of the device.

The latest update for Desigo PXC devices fixes a vulnerability that could allow unauthenticated remote users to cause a denial of service condition on the PX Web interface (HTTP, port tcp/80) of a device. Devices where PX Web is not enabled are not affected by this vulnerability.

Multiple industrial products are affected by a vulnerability in the kernel known as TCP SACK PANIC. The vulnerability could allow a remote attacker to cause a denial of service condition. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing …

Security researchers published information on vulnerabilities known as ZombieLoad and Microarchitectural Data Sampling (MDS). These vulnerabilities affect many modern processors from different vendors to a varying degree. Several Siemens Industrial Products contain processors that are affected by the vulnerabilities.