Vulnerability Description
An issue was discovered in Softing OPC UA C++ SDK before 5.70. A malformed OPC/UA message abort packet makes the client crash with a NULL pointer dereference.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Softing | Datafeed Opc Suite | <= 5.19 |
| Softing | Opc Ua C\+\+ Software Development Kit | < 5.70.0 |
| Softing | Secure Integration Server | <= 1.22 |
Related Weaknesses (CWE)
References
- https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_BulleVendor Advisory
- https://softing.comVendor Advisory
- https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_BulleVendor Advisory
- https://softing.comVendor Advisory
FAQ
What is CVE-2021-42577?
CVE-2021-42577 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Softing OPC UA C++ SDK before 5.70. A malformed OPC/UA message abort packet makes the client crash with a NULL pointer dereference.
How severe is CVE-2021-42577?
CVE-2021-42577 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-2021-42577?
Check the references section above for vendor advisories and patch information. Affected products include: Softing Datafeed Opc Suite, Softing Opc Ua C\+\+ Software Development Kit, Softing Secure Integration Server.