
CVE-2023-27336 – Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2023-27336
09 Aug 2023 — Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. • https://www.zerodayinitiative.com/advisories/ZDI-23-1065 • CWE-476: NULL Pointer Dereference •

CVE-2023-27334 – Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2023-27334
09 Aug 2023 — Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. • https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html • CWE-400: Uncontrolled Resource Consumption •