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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2019-5636

Beckhoff TwinCAT Discovery Service Denial of Service

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Status
Published
Published
Updated
Assigning organization
rapid7

Description

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).

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Beckhoff TwinCAT 2

  • 2304 to ≤ 2304affected

Beckhoff TwinCAT 3.1

  • 4204.0 to ≤ 4204.0affected

References