CVE-2019-5637

Published: Nov 21, 2019

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

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).

Vendor	Product	Versions
Beckhoff	TwinCAT 2	affected `2304 - <= 2304`
Beckhoff	TwinCAT 3.1	affected `4204.0 - <= 4204.0`

Weaknesses (CWE)

CWE-369

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/

x_refsource_MISC

https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-007.pdf

x_refsource_CONFIRM

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CVE-2019-5637

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References