CVE-2013-4912: Siemens Wincc

Medium severity, CVSS 5.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Open redirect vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks by leveraging improper configuration of SIMATIC HMI panels by the WinCC product.

Affected products

• Siemens Wincc: version 11.0 only; version 12.0 only

Published 2013-08-01. Last modified 2026-06-16.