Puma Scan is a software security Visual Studio extension that provides real time, continuous source code analysis as development teams write code. Vulnerabilities are immediately displayed in the development environment as spell check and compiler warnings, preventing security bugs from entering your applications.
Flag the following issues in the session state element:
1) mode="StateServer" - Missing auth for session data on remote server and and insecure transmission of session data.
2) timeout < RuleOptions.SessionExpirationMax
3) mode="SQLServer" and sqlConnectionString contains a connection string password
https://msdn.microsoft.com/en-us/library/h6bb9cz9(v=vs.71).aspx