Bulletins

A security research [1] identified weaknesses in the IEEE 1735 recommended practice for encryption of Design IP, which could allow a sophisticated attacker access to unencrypted Design IP data in IEEE 1735-compliant products. This advisory addresses the specific details for the affected Siemens software products: Questa and ModelSim simulators. Siemens …

SINEC NMS versions before V1.0.3 are affected by a vulnerability in the logback component (CVE-2021-42550) that could allow attackers with write access to the logback configuration file to execute arbitrary code on the system. Siemens has released an update for SINEC NMS and recommends to update to the latest version.

The networking component (Nucleus NET) in Nucleus Real-Time Operating System (RTOS) use Initial Sequence Numbers for TCP-Sessions that are predictable. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not available.

Siemens Teamcenter Visualization and JT2Go are affected by multiple file parsing vulnerabilities that could be triggered when the application reads malicious TIF, CGM or PDF files. If a user is tricked to open a malicious TIF, CGM or PDF file with the affected products, this could lead the application to …

RUGGEDCOM ROS-based V4 devices are vulnerable to a denial of service attack (Slowloris). By sending partial HTTP requests nonstop, with none completed, the affected web servers will be waiting for the completion of each request, occupying all available HTTP connections. The web server recovers by itself once the attack ends. …

SICAM Q100 devices contain multiple vulnerabilities that could allow an attacker to take over the session of a logged in user or to inject custom code. Siemens has released updates for the affected products and recommends to update to the latest versions.

Multiple vulnerabilities (also known as “NUCLEUS:13”) have be identified in the Nucleus RTOS (real-time operating system) and reported in the Siemens Security Advisory SSA-044112: https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf. CAPITAL VSTAR uses an affected version of the Nucleus software and inherently contains several of these vulnerabilities. Siemens recommends specific countermeasures for products where updates …