CVE-2011-4515: Siemens Wincc Tia Portal

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Siemens Wincc Tia Portal: version 11.0 only

Published 2013-03-21. Last modified 2026-06-16.