Critical severity9.8NVD Advisory· Published Jul 23, 2021· Updated Jun 17, 2026

CVE-2020-20741

Description

Incorrect Access Control in Beckhoff Automation GmbH & Co. KG CX9020 with firmware version CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6 allows remote attackers to bypass authentication via the "CE Remote Display Tool" as it does not close the incoming connection on the Windows CE side if the credentials are incorrect.

Affected products

Beckhoff Automation GmbH & Co. KG/CX9020description
Beckhoff/CX9020llm-create
Range: = CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6

Patches

Vulnerability mechanics

References

download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-006.pdfnvdMitigationPatchVendor Advisory

News mentions

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