CVE-2017-9945 — MEDIUM (6.5)

Q: How severe is CVE-2017-9945?

CVE-2017-9945 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2017-9945?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens 7Km Pac Switched Ethernet Profinet Expansion Module Firmware, Siemens 7Km Pac Switched Ethernet Profinet Expansion Module.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

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

Related Weaknesses (CWE)

CWE-20

References

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

FAQ

What is CVE-2017-9945?

CVE-2017-9945 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 Et...

How severe is CVE-2017-9945?

CVE-2017-9945 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9945?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens 7Km Pac Switched Ethernet Profinet Expansion Module Firmware, Siemens 7Km Pac Switched Ethernet Profinet Expansion Module.