Microsoft Windows SMTP Service NTLM Null Session Authorization Bypass (uncredentialed check)

This script is Copyright (C) 2003-2013 Tenable Network Security, Inc.

Synopsis :

The remote SMTP server is affected by an authorization bypass

Description :

It is possible to authenticate to the remote SMTP service by logging
in with a NULL session.

An attacker may use this flaw to use your SMTP server as a spam relay.

See also :

Solution :

Microsoft has released patches for Windows NT and 2000 as well as
Exchange Server 5.5.

Risk factor :

Medium / CVSS Base Score : 6.4
CVSS Temporal Score : 4.7
Public Exploit Available : false

Family: SMTP problems

Nessus Plugin ID: 11308 ()

Bugtraq ID: 4205

CVE ID: CVE-2002-0054