CVE-2013-0674: Siemens SIMATIC PCS7

Medium severity, CVSS 6.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Buffer overflow in the RegReader ActiveX control in Siemens WinCC before 7.2, as used in SIMATIC PCS7 before 8.0 SP1 and other products, allows remote attackers to execute arbitrary code via a long parameter.

Affected products

• Siemens SIMATIC PCS7: up to and including 8.0; version 7.1 only
• Siemens Wincc: up to and including 7.1; version 5.0 only; version 6.0 only; version 7.0 only

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