CVE-2020-20741

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-006.pdf	Mitigation Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:h:beckhoff:cx9020:6.02:build_4016.6:*:*:*:*:*:*

History

09 Aug 2021, 17:43

Type	Values Removed	Values Added
References	~~(MISC) https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-006.pdf -~~	(MISC) https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-006.pdf - Mitigation, Patch, Vendor Advisory
CWE		NVD-CWE-Other
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CPE		cpe:2.3:h:beckhoff:cx9020:6.02:build_4016.6::::::

23 Jul 2021, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-23 20:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-20741

Mitre link : CVE-2020-20741

CVE.ORG link : CVE-2020-20741

JSON object : View

Products Affected

beckhoff

cx9020

CWE

NVD-CWE-Other

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