CVE-2016-9154
Summary
| CVE | CVE-2016-9154 |
|---|---|
| State | PUBLISHED |
| Assigner | siemens |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-23 05:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.011670000 probability, percentile 0.787760000 (date 2026-05-11)
Problem Types: CWE-332 | CWE-332 CWE-332: Insufficient Entropy in Pseudo-random Number Generator (PRNG)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:L/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Siemens | Desigo Web Module Pxa30-w0 | - | All | All | All |
| Application | Siemens | Desigo Web Module Pxa30-w0 Firmware | All | All | All | All |
| Hardware | Siemens | Desigo Web Module Pxa30-w1 | - | All | All | All |
| Application | Siemens | Desigo Web Module Pxa30-w1 Firmware | All | All | All | All |
| Hardware | Siemens | Desigo Web Module Pxa30-w2 | - | All | All | All |
| Application | Siemens | Desigo Web Module Pxa30-w2 Firmware | All | All | All | All |
| Hardware | Siemens | Desigo Web Module Pxa40-w0 | - | All | All | All |
| Application | Siemens | Desigo Web Module Pxa40-w0 Firmware | All | All | All | All |
| Hardware | Siemens | Desigo Web Module Pxa40-w1 | - | All | All | All |
| Application | Siemens | Desigo Web Module Pxa40-w1 Firmware | All | All | All | All |
| Hardware | Siemens | Desigo Web Module Pxa40-w2 | - | All | All | All |
| Application | Siemens | Desigo Web Module Pxa40-w2 Firmware | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Desigo PX Web Modules With All Firmware Versions V6.00.046 | affected Desigo PX Web modules with all firmware versions < V6.00.046 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Siemens Desigo PX Web Module Insufficient Entropy Vulnerability | ICS-CERT | af854a3a-2127-422b-91ae-364da2661108 | ics-cert.us-cert.gov | Third Party Advisory, US Government Resource |
| Siemens | af854a3a-2127-422b-91ae-364da2661108 | www.siemens.com | Mitigation, Vendor Advisory |
| Siemens Desigo PX Web Modules CVE-2016-9154 Insufficient Entropy Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.