ProFTPD < 1.2.11 Remote User Enumeration

Medium Nessus Network Monitor Plugin ID 2393


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


The remote ProFTPd server is as old or older than 1.2.10.
It is possible to determine which user names are valid on the remote host based on timing analysis attack of the login procedure.
An attacker may use this flaw to set up a list of valid usernames for a more efficient brute-force attack against the remote host.


Upgrade to version 1.2.11 or higher.

Plugin Details

Severity: Medium

ID: 2393

File Name: 2393.prm

Family: FTP Servers

Published: 2004/11/06

Modified: 2016/01/21

Dependencies: 1803, 1804, 3222

Nessus ID: 15484

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.5

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

Temporal Vector: CVSS2#E:F/RL:W/RC:ND


Base Score: 5.3

Temporal Score: 5


Temporal Vector: CVSS3#E:F/RL:W/RC:X

Reference Information

CVE: CVE-2004-1602

BID: 11430