Empty String Password

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This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.

This article includes content generously donated to OWASP by Fortify.JPG.


Using an empty string as a password is insecure.


It is never appropriate to use an empty string as a password. It is too easy to guess. Empty string password makes the authentication as weak as the user names, which are normally public or guessable. This make a brute-force attack against the login interface much easier.


Related Threats

Attackers try to obtain a log in account of the application.

Related Attacks

Related Vulnerabilities

Related Countermeasures