Bulletins

SIMATIC CP 1543-1 devices before V2.0.28 contain two vulnerabilities that could allow authorized users to escalate their privileges on the CP or create a denial of service condition. 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) …

A message integrity protection bypass vulnerability has been identified in several SIMATIC products. The vulnerability could allow an attacker in a Man-in-the-Middle position to modify network traffic exchanged on port 102/tcp to PLCs of the SIMATIC S7-1200, SIMATIC S7-1500 and SIMATIC SoftwareController CPU families. Siemens has released updates for several …

The Subversion Webclient in Polarion ALM contains a cross-site scripting vulnerability, that could be triggered by an attacker by sending crafted links to an administrator user of Polarion ALM. Siemens has released an update for the Subversion Webclient in Polarion ALM and recommends to update to the latest version.

Various industry products are affected by a DHCP client vulnerability in Wind River VxWorks, that could allow an attacker to cause a heap-based buffer overflow. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are …

Vulnerabilities in the third-party component strongSwan could allow an attacker to cause a denial of service (DoS) condition in affected devices by exploiting integer overflow bugs. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends countermeasures …

Various industrial products use the Discovery Service of the OPC UA protocol stack by the OPC foundation https://github.com/OPCFoundation/UA-.NETStandard and could therefore be affected by the remote resource consumption attacks (CVE-2017-12069).