National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-5637 Detail

Description

When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device.

Source:  MITRE

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: N/A
NVD score not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Rapid7, Inc.
Base Score: 7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf

Weakness Enumeration

CWE-ID CWE Name Source
CWE-369 Divide By Zero Rapid7, Inc.  

Quick Info

CVE Dictionary Entry:
CVE-2019-5637
NVD Published Date:
11/21/2019
NVD Last Modified:
11/22/2019