PT-2017-17386 · Siemens · Simatic Wincc Sm@Rtclient For Android

Published 2017-08-08 · Updated 2019-10-09 · CVE-2017-6871

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Name of the Vulnerable Software and Affected Versions Siemens SIMATIC WinCC Sm@rtClient for Android versions prior to 1.0.2.2 Siemens SIMATIC WinCC Sm@rtClient for Android Lite versions prior to 1.0.2.2

Description A vulnerability was discovered that allows an attacker with physical access to an unlocked mobile device to bypass the app's authentication mechanism under certain conditions.

Recommendations For Siemens SIMATIC WinCC Sm@rtClient for Android versions prior to 1.0.2.2, update to version 1.0.2.2 or later to resolve the issue. For Siemens SIMATIC WinCC Sm@rtClient for Android Lite versions prior to 1.0.2.2, update to version 1.0.2.2 or later to resolve the issue.

Fix

Authentication Bypass Using an Alternate Path or Channel

Improper Authentication

Weakness Enumeration

CWE-288

CWE-287

Related Identifiers

CVE-2017-6871

Affected Products

Simatic Wincc Sm@Rtclient For Android

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2017-6871 · Security Note
• https://osv.dev/vulnerability/CVE-2017-6871 · Vendor Advisory
• https://siemens.com/cert/pool/cert/siemens_security_advisory_ssa-589378.pdf · Vendor Advisory
• http://securityfocus.com/bid/99582 · Note