Bypass Vulnerability in Schneider Electric and Belden Security Appliances
CVE-2021-30062

7.5HIGH

Key Information:

Vendor

Belden

Status
Tofino Xenon Security Appliance Firmware
Vendor
CVE Published:
3 April 2022

What is CVE-2021-30062?

A weakness exists in the Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 prior to version 03.23 and the Belden Tofino Xenon Security Appliance, where specially crafted OPC packets can successfully bypass the OPC enforcer. This could potentially allow attackers to exploit the security controls of the affected systems, leading to unauthorized access or manipulation of data.

References

https://www.belden.com/support/security-assurance
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https://download.schneider-electric.com/files?p_Doc_Ref=S...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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