Bulletins

A vulnerability in the affected devices could allow an unauthorized attacker with network access to the webserver of an affected device to perform a denial-of-service attack. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates and recommends …

Security researchers published information on vulnerabilities known as ZombieLoad and Microarchitectural Data Sampling (MDS). 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.

Two vulnerabilities have been identified in SIMATIC S7-300 and S7-400 CPU families. One vulnerability could lead to a Denial-of-Service, the other vulnerability could result in credential disclosure. Siemens recommends specific mitigations. Siemens will update this advisory when new information becomes available.

SIMATIC S7-1500 CPU family devices are affected by a vulnerability that could allow an attacker to perform a Denial-of-Service attack if specially crafted UDP packets are sent to the device. Siemens has released updates for several affected products, is working on updates for the remaining affected products and recommends specific …

Products that include the Siemens PROFINET-IO (PNIO) stack in versions prior V06.00 are potentially affected by a denial-of-service vulnerability when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is …

Several SCALANCE X switches contain a vulnerability that could allow an attacker to perform administrative actions if the victim is tricked into clicking on a website controlled by the attacker. The attack only works if the victim has an authenticated session on the administrative interface of the switch. Siemens has …

The latest update for SIMATIC CP 1543-1 contains two fixes for vulnerabilities within its embedded ProFTPD FTP server. The more severe of these vulnerabilities could allow for remote code execution and information disclosure without authentication. Siemens has released updates for SIMATIC CP 1543-1 modules.