Most Vulns Exploited By Stuxnet Worm Remain Unpatched 44
chicksdaddy writes with this excerpt from ThreatPost: "The media storm over the Stuxnet worm may have passed, but many of the software holes that were used by the worm remain unpatched and leave Siemens customers open to a wide range of potentially damaging cyber attacks, according to industrial control system expert Ralph Langner. Writing on his personal blog, Langner said that critical vulnerabilities remain in Windows-based management applications and software used to directly manage industrial controllers by Siemens Inc., whose products were targeted by the Stuxnet worm, Threatpost reports."
If you're firewalled the vuln is not a worry. (Score:3, Informative)
In the electric utility industry if you are considered bulk power and have critical assets your firewalls must be configured with DENY (http://www.nerc.com/files/CIP-005-3.pdf) as the default rule and only allow defined connections. All the big players in the US and Canada have their control networked segmented off and they don't have access to the Internet.