SEPTEMBER 20, 2026
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Case File

CVE-2021-30063

HIGH · CVSS 7.5 EPSS 0.98%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-03 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2021-30063
Severity
HIGH
CVSS
7.5
EPSS
0.98%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)