[ICS] Siemens Announces Password Security Weakness in SIMATIC S7 Controllers

Siemens has announced a password security problem in an authentication mechanism used in their SIMATIC S7 series of programmable controllers. No patch is available yet. Until a fix is available, some defensive guidance is available at the reference link below. The following Siemens SIMATIC S7 platforms are affected:

S7-200
S7-1200
S7-300
S7-400

References:
http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objid=51401544&caller=view

email: david @ sharpesecurity.com
website: www.sharpesecurity.com
Twitter: twitter.com/sharpesecurity
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