CVE-2016-9154

Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions < V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions < V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.

• CWE-332
• CWE-332

• http://www.securityfocus.com/bid/94962Third Party Advisory, VDB Entry
• http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856492.pdfMitigation, Vendor Advisory
• https://ics-cert.us-cert.gov/advisories/ICSA-16-355-01Third Party Advisory, US Government Resource
• http://www.securityfocus.com/bid/94962Third Party Advisory, VDB Entry
• http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856492.pdfMitigation, Vendor Advisory
• https://ics-cert.us-cert.gov/advisories/ICSA-16-355-01Third Party Advisory, US Government Resource

Published

Dec 23, 2016

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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