CVE-2017-16718

Name: CVE-2017-16718
Creator: NVD / NIST
Published: 2018-06-27T19:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.42%

Last modified Jun 17, 2026

CVE-2017-16718 is a vulnerability of currently unknown severity. Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. This protocol uses user configured routes, that can be edited remotely via ADS. This special command supports encrypted authentication with username/password. The encryption uses a fixed key, that could be extracted by an attacker. Precondition of the exploitation of this weakness is network access at the moment a route is added.

Metrics

EPSS Probability

0.42%

33.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Beckhoff	Twincat	3.0

References

https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2017-002.pdfMitigation, Vendor Advisory
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2017-002.pdfMitigation, Vendor Advisory

Timeline

Published: Jun 27, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16718?

How severe is CVE-2017-16718?

Severity scoring for CVE-2017-16718 is pending analysis. The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16718?

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-2017-16718?

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

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Source: NVD / NIST