This script is Copyright (C) 2003-2016 Tenable Network Security, Inc.
The remote mail server is prone to a format string attack.
The remote Winmail POP server, according to its banner, is vulnerable
to a format string attack when processing the USER command.
An unauthenticated attacker may use this flaw to execute arbitrary
code on this host.
See also :
Upgrade to WinMail version 2.4 (Build 0530) or later.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 7.1
Public Exploit Available : true