POP3 Cleartext Logins Permitted

This script is Copyright (C) 2004-2017 George A. Theall

Synopsis :

The remote POP3 daemon allows credentials to be transmitted in

Description :

The remote host is running a POP3 daemon that allows cleartext logins
over unencrypted connections. An attacker can uncover user names and
passwords by sniffing traffic to the POP3 daemon if a less secure
authentication mechanism (eg, USER command, AUTH PLAIN, AUTH LOGIN) is

See also :


Solution :

Contact your vendor for a fix or encrypt traffic with SSL /
TLS using stunnel.

Risk factor :

Low / CVSS Base Score : 2.6

Family: Misc.

Nessus Plugin ID: 15855 ()

Bugtraq ID:


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