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CVE-2021-30062

7.5 · HIGH

On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.

Published Apr 3, 2022EPSS 0.88%

Overview

CVE-2021-30062 is a high-severity vulnerability. It was published on April 3, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can bypass the OPC enforcer.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdownload.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05Refwww.belden.com/support/security-assuranceRefdownload.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05Refwww.belden.com/support/security-assurance

How CyberStrike helps

Frequently asked questions

What is CVE-2021-30062?

CVE-2021-30062 is a high-severity vulnerability. It was published on April 3, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-30062?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-30062?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-30062?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-30062 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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