CVE-2017-14023: Siemens SIMATIC PCS7

Medium severity, CVSS 4.9. EPSS: 3.7% chance of exploitation in the next 30 days.

An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.

Affected products

• Siemens SIMATIC PCS7: version 8.1 only; version 8.2 only
• Siemens SIMATIC Wincc: version 7.3 only

Published 2017-11-06. Last modified 2026-06-17.