What’s Vulnerable › Vulnerabilities

CVE-2016-9154

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-12-23 · updated 2026-06-17
• Weakness: CWE-332

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.

Affected products

• Siemens Desigo Web Module Pxa30-W0 Firmware: through 6.00.00
• Siemens Desigo Web Module Pxa30-W1 Firmware: through 6.00.00
• Siemens Desigo Web Module Pxa30-W2 Firmware: through 6.00.00
• Siemens Desigo Web Module Pxa40-W0 Firmware: through 6.00.00
• Siemens Desigo Web Module Pxa40-W1 Firmware: through 6.00.00
• Siemens Desigo Web Module Pxa40-W2 Firmware: through 6.00.00

References

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

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