CVE-2016-7959
Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by leveraging access to a file and conducting a brute-force attack.
Date published : 2016-10-13
http://www.securityfocus.com/bid/93551
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf