Bulletins

A potential vulnerability was discovered in the web server authentication of SCALANCE X-200 and X-200IRT switches that might allow attackers to perform administrative operations over the network without authentication. This issue only applies to switches using older firmware versions and has been fixed from firmware V4.5.0 (non-IRT) and V5.1.0 (IRT) …

For the convenience of the customer, a Certificate Authority (CA) for HTTPS connections is installed on the Siemens SIMATIC S7-1200 PLC. The user has the option to trust this CA which if selected installs the certificate into the browser’s certificate store. Once the user completes this step, the browser will …

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.

The latest firmware update for the SCALANCE X-200IRT switch family fixes a vulnerability which could allow attackers to impersonate legitimate users of the web interface.

Siemens has released a firmware update for the SIMATIC S7-1500 CPU family which fixes two vulnerabilities. The more severe of these vulnerabilities could allow attackers to cause a Denial-of-Service under certain conditions.

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.

A vulnerability was identified in SIMATIC S7-1200 and S7-1500 CPUs that could allow an attacker to cause a denial-of-service condition preventing HMI or engineering access to the PLC over port 102/tcp. Siemens has released an update for the S7-1500 product and recommends that customers update to the new version. Siemens …