CVE-2017-6871: Siemens SIMATIC Wincc Sm@rtclient

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was discovered in Siemens SIMATIC WinCC Sm@rtClient for Android (All versions before V1.0.2.2) and SIMATIC WinCC Sm@rtClient for Android Lite (All versions before V1.0.2.2). An attacker with physical access to an unlocked mobile device, that has the affected app running, could bypass the app's authentication mechanism under certain conditions.

Affected products

• Siemens SIMATIC Wincc Sm@rtclient: up to and including 1.0.2.1
• Siemens SIMATIC Wincc Sm@rtclient Lite: up to and including 1.0.2.1

Published 2017-08-08. Last modified 2026-06-17.