HOMEVULNERABILITIESCVE-2016-9154
HIGH

CVE-2016-9154

CWE-332Published: December 23, 2016· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2016-9154 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

siemens12 product(s)
desigo web module pxa30-w0 firmwaredesigo web module pxa30-w1 firmwaredesigo web module pxa30-w2 firmwaredesigo web module pxa40-w0 firmwaredesigo web module pxa40-w1 firmwaredesigo web module pxa40-w2 firmwaredesigo web module pxa30-w0desigo web module pxa30-w1desigo web module pxa30-w2desigo web module pxa40-w0desigo web module pxa40-w1desigo web module pxa40-w2
Source: NVD CPE · 12 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/94962
ADVISORYhttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856492.pdf
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-16-355-01
ADVISORYhttp://www.securityfocus.com/bid/94962
ADVISORYhttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-856492.pdf
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-16-355-01

All References (6)

→
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

Quick Facts

CVE IDCVE-2016-9154
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-332
CISA KEVNo
Affected1 vendor(s)
PublishedDec 23, 2016

Related CVEs (CWE-332)

CVE-2018-9057
9.8
CVE-2016-10743
7.5
CVE-2023-20107
7.5
CVE-2014-9690
7.5
CVE-2026-3290
7.4
CVE-2017-18486
7.2

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-9154 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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