What’s Vulnerable › Vulnerabilities

CVE-2017-6870

• Severity: high (CVSS 7.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-08 · updated 2026-06-17
• Weakness: CWE-300

Description

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.

Affected products

• SIMATIC WinCC Sm@rtClient for Android: through 1.0.2.1

References

• http://www.securityfocus.com/bid/99582
• https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-589378.pdf
• http://www.securityfocus.com/bid/99582
• https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-589378.pdf

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