Siemens Simatic WinCC and PCS 7 SCADA system uses a hard-coded password, which allows local users to access a back-end database and gain privileges, as demonstrated in the wild in July 2010 by the Stuxnet worm, a different vulnerability than CVE-2010-2568.
https://exchange.xforce.ibmcloud.com/vulnerabilities/60587
http://www.wired.com/threatlevel/2010/07/siemens-scada/
http://www.f-secure.com/weblog/archives/00001987.html
http://krebsonsecurity.com/2010/07/experts-warn-of-new-windows-shortcut-flaw/
http://infoworld.com/d/security-central/new-weaponized-virus-targets-industrial-secrets-725