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Web Application Error Page Discloses Microsoft SQL Server Username

Netsparker identified a username disclosure (Microsoft SQL Server) in the error message.

Impact

An attacker can perform brute-force or dictionary-based password guessing on the disclosed username. It may also help the attacker identify other vulnerabilities or further their exploitation of other identified vulnerabilities.

Remedy

  • Error messages should be disabled.
  • Remove this kind of sensitive data from the output.

External References


Go back to the Complete list of Vulnerability Checks.