CVE-2021-40871

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a OPC/UA client. The client process may crash unexpectedly because of a wrong type cast, and must be restarted.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-843

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Nov 10, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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