Bulletins

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 …

The latest firmware update for the S7-300 CPUs fixes a vulnerability that could allow an unauthenticated attacker with network access to cause a denial-of-service condition. SINUMERIK 840D sl Controller, which contains a S7-300 CPU, is also affected, as well as SIMATIC TDC. Siemens has released updates for several affected products …

The latest update for LOGO! 8 BM devices fixes a vulnerability that could allow remote code execution in the web server functionality. Siemens provides a firmware update for the latest versions of LOGO! BM.

The latest update for SIMATIC S7-200 SMART fixes a vulnerability that could allow an attacker to cause a permanent Denial-of-Service of an affected device by sending a large number of crafted packets. Siemens has released an update for the SIMATIC S7-200 SMART CPU family and recommends that customers update to …

There is an access mode used during manufacturing of SIMATIC S7-1200 and S7-200 SMART CPUs that allows additional diagnostic functionality. Using this functionality requires physical access to the CPU during boot process. If additional protection from unauthorized use is needed Siemens provides specific countermeasures via an update of the device …

A missing authentication vulnerability has been identified in SIEMENS LOGO!8 BM devices. The vulnerability could lead to an attacker reading and modifying the device configuration and obtain project files from the devices if the attacker has access to port 135/tcp.