Bulletins

A denial of service vulnerability was identified in different types of Communication Processors. An attacker could exploit this vulnerability causing the device to become un-operational until the device is restarted. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available.

Several industrial controllers are affected by a security vulnerability that could allow an attacker to cause a Denial-of-Service condition via PROFINET DCP network packets under certain circumstances. Precondition for this scenario is a direct OSI Layer 2 access to the affected products. PROFIBUS interfaces are not affected. Siemens has released …

A vulnerability exists in affected products that could allow remote attackers to affect the availability of the devices under certain conditions. The underlying TCP stack can be forced to make very computation expensive calls for every incoming packet which can lead to a Denial-of-Service. Siemens has released updates for several …

Desigo PXC3, PXC4, PXC5 and DXR2 devices contain multiple vulnerabilities in the webserver application that could allow an attacker to potentially intercept unencrypted transmission of sensitive information, cause a denial of service condition, or perform remote code execution. Siemens has released updates for the affected products and recommends to update …

The latest updates for TIA Portal fix a vulnerability that could allow a local attacker to execute arbitrary code with SYSTEM privileges. Update: The previously provided fixes only correctly set the permissions on English Windows versions. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, …

Multiple vulnerabilities were identified in the webserver of the SICAM GridEdge application which includes missing authentication for critical API functions, absent cross-origin resource sharing restrictions and access to credentials. Siemens has released updates for the affected products and recommends to update to the latest versions.

On 2021-12-09, a vulnerability in Apache Log4j (a logging tool used in many Java-based applications) was disclosed, that could allow remote unauthenticated attackers to execute code on vulnerable systems. The vulnerability is tracked as CVE-2021-44228 and is also known as “Log4Shell”. On 2021-12-14 an additional denial of service vulnerability (CVE-2021-45046) …