ProFTPD < 1.3.4rc2 client-hostname restriction bypass

medium Nessus Plugin ID 106753


The remote FTP server is affected by a Denial of Service vulnerability.


The remote host is using ProFTPD, a free FTP server for Unix and Linux.
According to its banner, the version of ProFTPD installed on the remote host is earlier than 1.3.4rc2 and is affected by a Denial of Service vulnerability in the mod_sftp module.


Upgrade to ProFTPD version 1.3.4rc2 or later.

See Also

Plugin Details

Severity: Medium

ID: 106753

File Name: proftpd_1_3_4_rc2.nasl

Version: 1.3

Type: remote

Family: FTP

Published: 2/12/2018

Updated: 11/8/2019

Configuration: Enable paranoid mode

Risk Information


Risk Factor: Low

Score: 2.2


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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


Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:proftpd:proftpd

Required KB Items: Settings/ParanoidReport, ftp/proftpd

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/6/2011

Vulnerability Publication Date: 1/24/2011

Reference Information

CVE: CVE-2011-1137

BID: 46183