Vulnerability Description
An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Softing | Datafeed Opc Suite | < 5.18 |
| Softing | Edgeconnector | <= 2.31 |
| Softing | Opc | < 5.66 |
| Softing | Secure Integration Server | <= 1.22 |
| Softing | Th Scope | >= 3.5 |
| Softing | Uagates | < 1.73 |
| Softing | Uatoolkit Embedded | < 1.40 |
Related Weaknesses (CWE)
References
- https://industrial.softing.com/Vendor Advisory
- https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_BulleVendor Advisory
- https://industrial.softing.com/Vendor Advisory
- https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_BulleVendor Advisory
FAQ
What is CVE-2021-40873?
CVE-2021-40873 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages...
How severe is CVE-2021-40873?
CVE-2021-40873 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-40873?
Check the references section above for vendor advisories and patch information. Affected products include: Softing Datafeed Opc Suite, Softing Edgeconnector, Softing Opc, Softing Secure Integration Server, Softing Th Scope.