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.

A vulnerability in OpenSSL affects several Siemens industrial products. Siemens has released updates for some affected products and is working on updates for others.

The latest update for SIMATIC IT Production Suite fixes a vulnerability that could allow authorized users with knowledge of a valid user name and physical or network access to the affected system to bypass the application-level authentication.

Security researchers published information on vulnerabilities known as Spectre and Meltdown. 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.

The SIMATIC WinCC OA Operator iOS app is affected by a security vulnerability which could allow an attacker to read unencrypted data from the application’s directory. Precondition for this scenario is that an attacker has physical access to the mobile device.

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.