Bulletins

The latest firmware update for S7-1200 CPU family version 4 fixes a Cross-Site Request Forgery vulnerability. Siemens recommends to update affected devices as soon as possible.

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.

Security researchers published information on vulnerabilities known as Foreshadow and L1 Terminal Fault (L1TF). 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 SCALANCE W1750D addresses a vulnerability known as ROBOT Attack. The vulnerability could allow an attacker to decrypt TLS traffic. Siemens provides a firmware update and recommends users to update to the new version.

All versions of the TD Keypad Designer for printing customized lamination sheets for Text Display devices are affected by a DLL hijacking vulnerability that could allow a local low-privileged attacker to escalate his privileges. Text Display devices and TD Keypad Designer have been discontinued in 2012 and were replaced by …

SIMATIC S7-400 CPUs are affected by a security vulnerability which could lead to a Denial-of-Service condition of the PLC if specially crafted packets are received and processed. The affected SIMATIC S7-400 CPU hardware versions are in the product cancellation phase or already phased-out. Siemens recommends customers either upgrading to a …

A vulnerability has been identified in the integrated web server of SCALANCE X300, SCALANCE X408, and SCALANCE X414. The vulnerability could allow an attacker with network access to the device to cause a Denial-of-Service condition. The vulnerability can be triggered with publicly available tools, including vulnerability scanners. Siemens provides updates …