PT-2018-6314 · Beckhoff · Beckhoff Twincat

Published 2018-06-27 · Updated 2019-10-09 · CVE-2017-16726

Positive Technologies (AI Summary)

CVSS v2.0

6.4

Medium

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions: Beckhoff TwinCAT (affected versions not specified)

Description: The issue concerns the ADS protocol used by Beckhoff TwinCAT for communication in industrial automation environments. ADS lacks encryption due to performance considerations, allowing an attacker to forge arbitrary ADS packets when legitimate traffic is observable.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authorization

Inadequate Encryption Strength

Weakness Enumeration

CWE-285

CWE-326

Related Identifiers

CVE-2017-16726

Affected Products

Beckhoff Twincat

References · 2

• https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2017-001.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-16726 · Security Note