CVE-2021-40871

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.63%
Vendor Advisory softing.com Vendor Advisory softing.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://industrial.softing.com/ vendor advisory
https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin-CVE-2021-40871.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-40871?
CVE-2021-40871 has been scored as a high severity vulnerability.
How to fix CVE-2021-40871?
To fix CVE-2021-40871, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40871 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-40871 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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