CVE-2016-9154

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-332

Affected software

Vendor	Product	Versions
n/a	Desigo PX Web modules with all firmware versions < V6.00.046	Desigo PX Web modules with all firmware versions < V6.00.046

References

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

Timeline

Published: Dec 23, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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