Bulletins

There are multiple vulnerabilities in the Intel Management Engine used in multiple SIMATIC IPC devices that may allow arbitrary code execution, a partial denial of service or information disclosure. For additional information see: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.html. Siemens provides updates for the affected devices.

Several industrial products are affected by a vulnerability that could allow remote attackers to conduct a Denial-of-Service (DoS) attack by sending specially crafted packets to port 161/udp (SNMP). Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates …

SCALANCE X switches, RUGGEDCOM WiMAX, RFID 181-EIP, and SIMATIC RF182C are affected by a vulnerability that could allow an unprivileged attacker located in the same local network segment (OSI Layer 2) to gain system privileges by sending a specially crafted DHCP response to a client's DHCP request. Siemens has released …

Older versions of the S7-1500 CPU are affected by two Denial-of-Service vulnerabilities. Siemens has released updates for the currently supported hardware versions.

A Denial-of-Service vulnerability has been identified in SIMATIC PCS 7, SIMATIC WinCC, SIMATIC WinCC Runtime Professional and SIMATIC NET PC-Software. Siemens has released updates for several affected products and recommends that customers update to the new version. Siemens is preparing further updates and recommends specific countermeasures until patches are available.

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).

Siemens has released a firmware update for the SIMATIC S7-300 CPU family which fixes a vulnerability that could allow remote attackers to perform a Denial-of-Service attack.