CVE-2021-40871

published 2021-11-10

CVE-2021-40871: 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…

Priority P4 33 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
softing	datafeed_opc_suite	< 5.18	5.18
softing	opc	< 5.66	5.66
softing	secure_integration_server	<= 1.22	—
softing	th_scope	>= 3.5	—

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P

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