Bulletins

A Denial-of-Service vulnerability was found in SIMATIC PCS 7, SIMATIC WinCC and SIMATIC NET PC software when encrypted communication is enabled. The vulnerability could allow an attacker with network access to cause a Denial-of-Service condition under certain circumstances (versions prior to SIMATIC WinCC V7.3 or SIMATIC PCS 7 V8.1 are …

A Cross-Site Scripting (XSS) vulnerability was found in the Engineering User Interface of Spectrum Power™ 5. A software update is available to address the issue and Siemens recommends installing the patch.

A vulnerability in the affected products could allow an unauthorized attacker with network access to perform a denial-of-service attack resulting in loss of real-time synchronization. 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 …

Two vulnerabilities have been identified in SIMATIC S7-300 and S7-400 CPU families. One vulnerability could lead to a Denial-of-Service, the other vulnerability could result in credential disclosure. Siemens recommends specific mitigations. Siemens will update this advisory when new information becomes available.

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.

The latest update for SIMATIC CP 1543-1 contains two fixes for vulnerabilities within its embedded ProFTPD FTP server. The more severe of these vulnerabilities could allow for remote code execution and information disclosure without authentication. Siemens has released updates for SIMATIC CP 1543-1 modules.