CVE-2017-9945

Name: CVE-2017-9945
Creator: NVD / NIST
Published: 2017-08-30T19:29:00.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.54%

Last modified Jun 17, 2026

CVE-2017-9945 is a vulnerability of currently unknown severity. In the Siemens 7KM PAC Switched Ethernet PROFINET expansion module (All versions < V2.1.3), a Denial-of-Service condition could be induced by a specially crafted PROFINET DCP packet sent as a local Ethernet (Layer 2) broadcast. The affected component requires a manual restart via the main device to recover.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

In the Siemens 7KM PAC Switched Ethernet PROFINET expansion module (All versions < V2.1.3), a Denial-of-Service condition could be induced by a specially crafted PROFINET DCP packet sent as a local Ethernet (Layer 2) broadcast. The affected component requires a manual restart via the main device to recover.

Metrics

EPSS Probability

0.54%

41.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Siemens	7km Pac Switched Ethernet Profinet Expansion Module Firmware	<= 2.1.2

References

http://www.securityfocus.com/bid/100562Third Party Advisory, VDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-771218.pdfVendor Advisory
http://www.securityfocus.com/bid/100562Third Party Advisory, VDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-771218.pdfVendor Advisory

Timeline

Published: Aug 30, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9945?

How severe is CVE-2017-9945?

Severity scoring for CVE-2017-9945 is pending analysis. The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9945?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9945?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST