Last updated: Sat May 25 03:04:48 EDT 2013
CVE Publication rate: 12.87
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Vulnerability Workload Index: 6.84
Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access.
Per http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf INSECURE PASWORD STORAGE User credentials for the HMI’s Web application are stored within the HMI’s system. These data are obfuscated in a reversible way and arereadable and writable for users with physical access or Sm@rt Server access to the system.
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