CVE-2021-42577
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSofting Datafeed Opc Suite
PublishedMar 11, 2022
First seenMar 11, 2022
How to fix
Update
- softing opc_ua_c\+\+_software_development_kit5.70.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| softing datafeed_opc_suite | v ≤ 5.19 | — |
| softing opc_ua_c\+\+_software_development_kit | v < 5.70.0 | 5.70.0 |
| softing secure_integration_server | v ≤ 1.22 | — |
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