An issue was discovered in Softing OPC UA C++ SDK before 6.10. A buffer overflow or an excess allocation happens due to unchecked array and matrix bounds in structure data types.

A crafted HTTP packet without a content-type header can create a denial-of-service condition in Softing Secure Integration Server V1.22.

Softing Secure Integration Server V1.22 is vulnerable to authentication bypass via a machine-in-the-middle attack. The default the administration interface is accessible via plaintext HTTP protocol, facilitating the attack. The HTTP request may contain the session cookie in the request, which may be captured for use in authenticating to the server.

A crafted HTTP packet with a missing HTTP URI can create a denial-of-service condition in Softing Secure Integration Server V1.22.

Softing Secure Integration Server, edgeConnector, and edgeAggregator software ships with the default administrator credentials as `admin` and password as `admin`. This allows Softing to log in to the server directly to perform administrative functions. Upon installation or upon first login, the application does not ask the user to change the `admin` password. There is no warning or prompt to ask the user to change the default password, and to change the password, many steps are required.

A crafted HTTP packet with a -1 content-length header can create a denial-of-service condition in Softing Secure Integration Server V1.22.

The application searches for a library dll that is not found. If an attacker can place a dll with this name, then the attacker can leverage it to execute arbitrary code on the targeted Softing Secure Integration Server V1.22.

Softing OPC UA C++ Server SDK, Secure Integration Server, edgeConnector, edgeAggregator, OPC Suite, and uaGate are affected by a NULL pointer dereference vulnerability.

The “restore configuration” feature of Softing Secure Integration Server V1.22 is vulnerable to a directory traversal vulnerability when processing zip files. An attacker can craft a zip file to load an arbitrary dll and execute code. Using the "restore configuration" feature to upload a zip file containing a path traversal file may cause a file to be created and executed upon touching the disk.

A crafted HTTP packet with a large content-length header can create a denial-of-service condition in Softing Secure Integration Server V1.22.