CVE-2017-14023

An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.

• CWE-20
• CWE-20

• http://www.securityfocus.com/bid/101680Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039729Third Party Advisory, VDB Entry
• https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01Third Party Advisory, US Government Resource
• http://www.securityfocus.com/bid/101680Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039729Third Party Advisory, VDB Entry
• https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01Third Party Advisory, US Government Resource

Published

Nov 6, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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