What is the severity of CVE-2017-9938?

CVE-2017-9938 has been rated with a CVSS score indicating a significant Denial-of-Service vulnerability.

How do I fix CVE-2017-9938?

To mitigate CVE-2017-9938, update to Siemens SIMATIC Logon version 1.6 or later.

What kind of attack does CVE-2017-9938 facilitate?

CVE-2017-9938 allows attackers to send specially crafted packets that can lead to a Denial-of-Service condition.

Is my version of Siemens SIMATIC Logon affected by CVE-2017-9938?

Any version of Siemens SIMATIC Logon prior to version 1.6 is affected by CVE-2017-9938.

What is the impact of CVE-2017-9938 on the service?

The impact of CVE-2017-9938 is that the SIMATIC Logon Remote Access service may restart automatically after being compromised.

Vulnerability/
CVE-2017-9938

high

7.5

CWE

20 787

8/8/2017

5/8/2024

CVE-2017-9938: Input Validation

First published: Tue Aug 08 2017(Updated: )

A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition. The service restarts automatically.

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
Siemens SIMATIC Logon	<=1.5

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-9938?
CVE-2017-9938 has been rated with a CVSS score indicating a significant Denial-of-Service vulnerability.
How do I fix CVE-2017-9938?
To mitigate CVE-2017-9938, update to Siemens SIMATIC Logon version 1.6 or later.
What kind of attack does CVE-2017-9938 facilitate?
CVE-2017-9938 allows attackers to send specially crafted packets that can lead to a Denial-of-Service condition.
Is my version of Siemens SIMATIC Logon affected by CVE-2017-9938?
Any version of Siemens SIMATIC Logon prior to version 1.6 is affected by CVE-2017-9938.
What is the impact of CVE-2017-9938 on the service?
The impact of CVE-2017-9938 is that the SIMATIC Logon Remote Access service may restart automatically after being compromised.

collector/nvd-index
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/weakness
agent/author
agent/references
agent/tags
agent/event
agent/description
agent/first-publish-date
agent/source
vendor/siemens
canonical/siemens simatic logon
version/siemens simatic logon/1.5

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Frequently Asked Questions

What is the severity of CVE-2017-9938?
CVE-2017-9938 has been rated with a CVSS score indicating a significant Denial-of-Service vulnerability.
How do I fix CVE-2017-9938?
To mitigate CVE-2017-9938, update to Siemens SIMATIC Logon version 1.6 or later.
What kind of attack does CVE-2017-9938 facilitate?
CVE-2017-9938 allows attackers to send specially crafted packets that can lead to a Denial-of-Service condition.
Is my version of Siemens SIMATIC Logon affected by CVE-2017-9938?
Any version of Siemens SIMATIC Logon prior to version 1.6 is affected by CVE-2017-9938.
What is the impact of CVE-2017-9938 on the service?
The impact of CVE-2017-9938 is that the SIMATIC Logon Remote Access service may restart automatically after being compromised.