Bulletins

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 SIMATIC Panel software and SIMATIC WinCC (TIA Portal) fixes a vulnerability that could allow an attacker with network access to the web server to perform a HTTP header injection attack.

Security researchers published information on vulnerabilities known as Spectre-NG (Variants 3a and 4). These vulnerabilities affect many modern processors from different vendors to a varying degree. Several Industrial Products include affected processors and are affected by the vulnerabilities.

A Cross-Site Scripting (XSS) vulnerability was found in the web server of SCALANCE S firewalls. Siemens provides firmware version V4.0.1.1, which fixes the vulnerability and recommends to update to the newest version.

Several industrial products are affected by a vulnerability that could allow remote attackers to conduct a Denial-of-Service (DoS) attack by sending specially crafted packets to port 161/udp (SNMP). Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates …

A Denial-of-Service vulnerability has been identified in SIMATIC PCS 7, SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC NET PC-Software. 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 countermeasures until patches are available.

Two vulnerabilities have been identified in the SIMATIC S7-400 CPU family that could allow an attacker to cause a Denial-of-Service condition. In order to exploit the vulnerability, an attacker must have access to the affected devices on port 102/tcp via Ethernet, PROFIBUS or Multi Point Interfaces (MPI). Siemens provides updates …