Access Control Vulnerability in Beckhoff CX9020 Automation Product
CVE-2020-20741

9.8CRITICAL

Key Information:

Vendor

Beckhoff

Status
Cx9020
Vendor
CVE Published:
23 July 2021

What is CVE-2020-20741?

The Beckhoff CX9020 automation device is vulnerable to an access control flaw that allows unauthorized remote attackers to bypass authentication. This occurs through the 'CE Remote Display Tool', which fails to adequately manage incoming connections when incorrect credentials are provided. As a result, malicious actors can potentially exploit this weakness to gain unauthorized access to the system.

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References

https://download.beckhoff.com/download/Document/product-s...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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