Man-in-the-middle attack in SIMATIC WinCC Sm@rtClient for Android - CVE-2017-6870

 

Man-in-the-middle attack in SIMATIC WinCC Sm@rtClient for Android - CVE-2017-6870

Published: July 14, 2017


Vulnerability identifier: #VU7515
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6870
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
SIMATIC WinCC Sm@rtClient for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a man-in-the-middle attack.

The weakness exists due to an error when TLS protocol implementation. A remote attacker can conduct MITM attack to read and modify data within a TLS session.

How to mitigate CVE-2017-6870

Update SIMATIC WinCC Sm@rtClient for Android to version 1.0.2.2.

Sources