本页列出影响 softing datafeed_opc_suite 的已公开 CVE 漏洞（通过 NVD CPE 关联）。每行包含严重程度评分、摘要与发布日期，便于识别与分析安全问题。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2021-42577 | 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. | [email protected] | 7.5 | 0.92% | 2022-03-11 | 2026-06-17 |
| CVE-2021-42262 | An issue was discovered in Softing OPC UA C++ SDK before 5.70. An invalid XML element in the type dictionary makes the OPC/UA client crash due to an out-of-memory condition. | [email protected] | 6.5 | 0.80% | 2022-03-11 | 2026-06-17 |
| CVE-2021-40873 | 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. | [email protected] | 7.5 | 1.27% | 2021-11-10 | 2026-06-17 |
| CVE-2021-40871 | 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. | [email protected] | 7.5 | 1.27% | 2021-11-10 | 2026-06-17 |