This script is Copyright (C) 1999-2016 Tenable Network Security, Inc.
The remote SMTP server is vulnerable to authentication bypass.
The remote SMTP server did not complain when issued the
MAIL FROM: |testing
This probably means that it is possible to send mail
that will be bounced to a program, which is
a serious threat, since this allows anyone to execute
arbitrary commands on this host.
*** This security hole might be a false positive, since
*** some MTAs will not complain to this test, but instead
*** just drop the message silently
See also :
Upgrade your MTA or change it.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 7.1