CVE-2012-3028: Cross-site request forgery (CSRF) vulnerability in WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as us...

Security readout for executives and security teams

This is a CSRF flaw in Siemens WinCC WebNavigator. If an authenticated user is tricked into loading malicious content, their browser could send unwanted WebNavigator actions. Those actions may modify data or cause denial of service. The bundle does not show active exploitation. Organizations using Siemens WinCC WebNavigator 7.0 SP3 or earlier, including SIMATIC PCS7 environments, should assess exposure. Risk is higher where authenticated operator workstations can browse untrusted content or WebNavigator is reachable outside trusted control networks. Treat as a priority for industrial environments using affected Siemens WebNavigator versions. The business concern is unauthorized operational changes or service disruption through a trusted user’s session, not confirmed active exploitation. Mitigation focus: Identify all Siemens WinCC WebNavigator deployments and versions.; Prioritize systems running WinCC 7.0 SP3 or earlier.; Consult Siemens SSA-864051 and ICS-CERT ICSA-12-256-01 for vendor guidance..

Prepared

Jun 27, 2026, 20:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.