After weeks of silence on the issue, Siemens said that it is talking with its customers on a regular basis and plans to have software patches available within the next few weeks The company s statement comes amid published reports that the U.S. Government has warned Siemens customers about the security vulnerabilities. The vulnerabilities could cause Siemens PLCs to enter into a secure stop mode However, the conditions needed to reproduce the error were unlikely to occur in real life.
Source: https://threatpost.com/siemens-working-fix-security-gaps-logic-controllers-052411/75268/