CVE-2019-5637

Beckhoff TwinCAT Profinet Driver Divide-by-Zero Denial of Service

State: Published
Severity: 7.5 High
Published: Nov 21, 2019
Updated: Sep 17, 2024
Reserved: Jan 7, 2019

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. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	rapid7

Weaknesses

CWE-369 Divide By Zero

Affected Products

Product	Versions
TwinCAT 2Beckhoff	2304 through 2304Affected
TwinCAT 3.1Beckhoff	4204.0 through 4204.0Affected

References

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

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