Intellipeer User Account Enumeration

Medium Nessus Network Monitor Plugin ID 2332


The remote host may give an attacker information useful for future attacks.


The remote host is running a POP3 service that allows a remote attacker to determine when a user account is valid. An attacker exploiting this flaw would only need to connect to the port repeatedly while sending different user names. The server will alert the attacker whenever a valid username is sent. This vulnerability is known to affect Intellipeer POP3 server (versions less than or equal to 1.0.1).


Upgrade or patch according to vendor recommendations.

See Also

Plugin Details

Severity: Medium

ID: 2332

Family: POP Server

Published: 2004/09/27

Modified: 2016/01/21

Dependencies: 3035

Nessus ID: 14829

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:H/RL:U/RC:ND


Base Score: 5.3

Temporal Score: 5.3


Temporal Vector: CVSS3#E:H/RL:U/RC:X

Reference Information

CVE: CVE-2004-2150

BID: 11257