Version before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h

CVE-2021-27794

A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h could allow a user to Login with empty password, and invalid password through telnet, ssh and REST.