Bulletins

Multiple industrial products are affected by a vulnerability in the kernel known as TCP SACK PANIC. The vulnerability could allow a remote attacker to cause a denial of service condition. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing …

A vulnerability in affected devices could allow an attacker to perform a denial-of-service attack if a large amount of specially crafted UDP packets are sent to the device. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates …

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 …

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 …

The latest product release of the SIMATIC S7-1200 CPU fixes two vulnerabilities. The more severe of these vulnerabilities could allow an attacker to inject HTTP headers if unsuspecting users are tricked to click on a malicious link. Another vulnerability resolved in this product release is discussed below.

A potential vulnerability was discovered in the web server’s authentication of SCALANCE X-200 switches that might allow attackers to hijack web sessions over the network without authentication. Siemens addresses the issue with a firmware update.