CVE Vulnerabilities

CVE-2019-5637

Divide By Zero

Published: Nov 21, 2019 | Modified: Feb 04, 2020
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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).

Weakness

The product divides a value by zero.

Affected Software

Name Vendor Start Version End Version
Twincat Beckhoff 3.1.4022.30 (including) 3.1.4022.30 (including)

References