Siemens SIMATIC S7-1500, SIMATIC S7-1500 Software Controller and SIMATIC ET 200SP Open Controller (ICSA-18-282-05) – Products Used in the Water and Wastewater and Energy Sectors
The NCCIC has released an advisory on a denial of service for improper input validation vulnerability in Siemens SIMATIC S7-1500, SIMATIC S7-1500 Software Controller, and SIMATIC ET 200SP Open Controller. Multiple products and versions of those products are affected. An attacker with network access to the PLC may be able to cause a denial-of-service condition on the network stack. Siemens has provided updates to address this vulnerability and recommends users update to the new version.