CVE-2017-9938

Description

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.

Categories

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.97% Top 25%
Vendor Advisory siemens.com
Affected: n/a SIMATIC Logon All versions before V1.6
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/99539 third party advisory vdb entry
https://www.tenable.com/security/research/tra-2017-34
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-9938?
CVE-2017-9938 has been scored as a high severity vulnerability.
How to fix CVE-2017-9938?
To fix CVE-2017-9938, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9938 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-9938 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-9938?
CVE-2017-9938 affects n/a SIMATIC Logon All versions before V1.6.
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