high7.5
CVE-2021-40871
An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Softing | Datafeed Opc Suite | before 5.18 |
| Softing | Opc | before 5.66 |
| Softing | Secure Integration Server | through 1.22 |
| Softing | Th Scope | from 3.5 |