VULNERABILITY INTELLIGENCE

CVE-2021-30063

CVSS score7.5 HIGH
EPSS probability1.00%
CISA KEVNot currently listed
Published2022-04-03
Last modified2026-06-17

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.

Primary references

  • mitre — x_refsource_MISC
  • mitre — x_refsource_CONFIRM