CVE-2021-30063

Description

On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can cause an OPC enforcer denial of service.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.07%

Vendor Advisory schneider-electric.com Vendor Advisory belden.com

Affected: n/a n/a

References

Link	Tags
https://www.belden.com/support/security-assurance	vendor advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30063?: CVE-2021-30063 has been scored as a high severity vulnerability.
How to fix CVE-2021-30063?: To fix CVE-2021-30063, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30063 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30063 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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