ICSA-16-355-01: Siemens Desigo PX Web Module Insufficient Entropy Vulnerability
CISA advisory · released 2016-09-23
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2025-06-05 (final)
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | Desigo PX Web module PXA40-W0 firmware for Desigo PX automation controllers PXC00-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W0 firmware for Desigo PX automation controllers PXC50-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W0 firmware for Desigo PX automation controllers PXC100-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W0 firmware for Desigo PX automation controllers PXC200-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W1 firmware for Desigo PX automation controllers PXC00-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W1 firmware for Desigo PX automation controllers PXC50-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W1 firmware for Desigo PX automation controllers PXC100-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W1 firmware for Desigo PX automation controllers PXC200-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W2 firmware for Desigo PX automation controllers PXC00-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W2 firmware for Desigo PX automation controllers PXC50-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W2 firmware for Desigo PX automation controllers PXC100-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA40-W2 firmware for Desigo PX automation controllers PXC200-E.D | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W0 firmware for Desigo PX automation controllers PXC00-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W0 firmware for Desigo PX automation controllers PXC64-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W0 firmware for Desigo PX automation controllers PXC128-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W1 firmware for Desigo PX automation controllers PXC00-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W1 firmware for Desigo PX automation controllers PXC64-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W1 firmware for Desigo PX automation controllers PXC128-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W2 firmware for Desigo PX automation controllers PXC00-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W2 firmware for Desigo PX automation controllers PXC64-U | <V6.00.046 |
| Siemens | Desigo PX Web module PXA30-W2 firmware for Desigo PX automation controllers PXC128-U | <V6.00.046 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2016-9154 · CWE-332
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.
The advisory's legal notice
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Sources
DeSpy's copy of this version is dated 2026-09-28.
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