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 …

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 …

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 …

A clear text transmission vulnerability in SIMATIC HMI panels could allow an attacker to access sensitive information under certain circumstances. Siemens recommends specific countermeasures to mitigate this vulnerability.

A Denial-of-Service vulnerability was found in SIMATIC PCS 7, SIMATIC WinCC and SIMATIC NET PC software when encrypted communication is enabled. The vulnerability could allow an attacker with network access to cause a Denial-of-Service condition under certain circumstances (versions prior to SIMATIC WinCC V7.3 or SIMATIC PCS 7 V8.1 are …

UltraVNC (V1.2.2.3 and below) vulnerabilities in the affected products could allow remote code execution, information disclosure and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends that customers update to the latest versions.