Q: What are some common middleware security issues?

A: Common middleware security issues include:

1. Weak Credentials: Default or easily guessable passwords on administration interfaces.
2. System Password Management: Use of default or weak passwords for system accounts.
3. Misconfiguration: Improperly configured settings that expose sensitive information (e.g., debug mode).
4. Remote Services: Open remote management ports or services that are vulnerable to attack.
5. Insecure Deserialisation: Vulnerabilities in how middleware processes serialised data, allowing arbitrary code execution.
6. XML External Entity (XXE) Injection: Processing external XML entities that can access sensitive files.
7. Application-Level Vulnerabilities: Attacks targeting the middleware's own application interface.
8. Access Control Issues: Insufficient authorisation checks on sensitive resources.
9. Insecure Coding Practices: Lack of input sanitisation or output encoding.
10. Debugging Features: Leaving debugging or diagnostic features enabled in production.