CVE-2019-5636 - Vulnerability Details - OpenCVE

When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00536.

Key SSVC decision points have not yet been added.

Vendors	Products
Beckhoff Subscribe	Twincat Subscribe

Configuration 1 [-]

OR	cpe:2.3:a:beckhoff:twincat:2.0:build2304::::::
	cpe:2.3:a:beckhoff:twincat:3.1:build4024.0::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2019-15211	When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
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-2019-004.pdf

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: rapid7

Published: 2019-11-21T19:16:12.913139Z

Updated: 2024-09-17T03:18:42.935Z

Reserved: 2019-01-07T00:00:00

Link: CVE-2019-5636

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-11-21T20:15:15.897

Modified: 2024-11-21T04:45:16.907

Link: CVE-2019-5636

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-404

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