CVE-2012-3030: Siemens SIMATIC PCS7

Medium severity, CVSS 5.0. EPSS: 2.6% chance of exploitation in the next 30 days.

WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used in SIMATIC PCS7 and other products, stores sensitive information under the web root with insufficient access control, which allows remote attackers to read a (1) log file or (2) configuration file via a direct request.

Affected products

• Siemens SIMATIC PCS7: version 8.0 only
• Siemens Wincc: up to and including 7.0; version 5.0 only; version 6.0 only; version 7.0 only

Published 2012-09-18. Last modified 2026-06-16.