CVE-2015-1356

Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 determines a user's privileges on the basis of project-file fields that lack integrity protection, which allows remote attackers to establish arbitrary authorization data via a modified file.

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.