A vulnerability was discovered in Siemens SIMATIC WinCC Sm@rtClient for Android (All versions before V1.0.2.2).

published 2017-08-08 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15924

cvss: 7.4; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

A vulnerability was discovered in Siemens SIMATIC WinCC Sm@rtClient for Android (All versions before V1.0.2.2). The existing TLS protocol implementation could allow an attacker to read and modify data within a TLS session while performing a Man-in-the-Middle (MitM) attack.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-194-03 updated 2017-07-13 cvss 7.4

Siemens SIMATIC Sm@rtClient Android App

Siemens SIMATIC WinCC Sm@rtClient for Android < 1.0.2.2 Siemens SIMATIC WinCC Sm@rtClient Lite for Android < 1.0.2.2
affected: vendor fix play.google.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.4	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

n/a SIMATIC WinCC Sm@rtClient for Android

Classification

Weakness

CWE-300 Channel Accessible by Non-Endpoint

References

siemens.com /cert/pool/cert/siemens_security_advisory_ssa-589378.pdf
vendor-advisory
securityfocus.com /bid/99582
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-6870
NVD CVE-2017-6870

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Summary