Auth bypass in Siemens Simatic Wincc Sm\@rtclient
CVE-2017-6871
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.
EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.
Affected products
- Siemens Simatic_wincc_sm\@rtclient
- Siemens Simatic_wincc_sm\@rtclient_lite
- N/a Simatic Wincc Sm@rtclient For Android, Lite Android — versions SIMATIC WinCC Sm@rtClient for Android, SIMATIC WinCC Sm@rtClient Lite for Android
Weakness classification (CWE)
References
- productcert@siemens.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- productcert@siemens.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6871?
- CVE-2017-6871 is a medium-severity vulnerability in Siemens Simatic Wincc Sm\@rtclient, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.4/10. Published 2017-08-08.
- How severe is CVE-2017-6871?
- Medium severity. CVSS v3 base score is 5.4 out of 10.