7.5
CVSSv3

CVE-2021-40873

Published: 10/11/2021 Updated: 16/11/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

An issue exists in Softing Industrial Automation OPC UA C++ SDK prior to 5.66, and uaToolkit Embedded prior to 1.40. Remote malicious users to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.

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