Bulletins

RUGGEDCOM ROS-based 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. Siemens …

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 …

The mobile server component of Siveillance Video 2022 R2 contains an authentication bypass vulnerability that could allow an unauthenticated remote attacker to access the application without a valid account. Siemens has released a hotfix for Siveillance Video 2022 R2 and recommends to apply the hotfix on all installations of the …

Desigo CC and Cerberus DMS are based on SIMATIC WinCC OA and implement client-side only authentication for specific parts of their client-server communication. In this configuration, attackers could impersonate other users or exploit the client-server protocol without being authenticated, as documented for SIMATIC WinCC OA in SSA-111512 [1]. Siemens recommends …