Cyber Resilience

CVE-2020-20741

Critical

Published: 23 July 2021

Published
23 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0054 68.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-20741 is a critical-severity an unspecified weakness vulnerability in Beckhoff Cx9020. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 31.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

if the credentials are incorrect.

CWE(s)
NVD-CWE-Other

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

beckhoff
cx9020
6.02

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References