WS_FTP Server < 5.04 Hotfix 1 Path Parsing Remote DoS

High Nessus Network Monitor Plugin ID 2188


The remote host is vulnerable to a Denial of Service (DoS) attack.


This host is running a vulnerable version of WS_FTP Server. Versions up to and including 5.0.2 are reported prone to a remote denial of service in the processing of the CD command. By providing a malformed path containing '../' characters to the CD command, an attacker may exhaust server resources.


Upgrade to version 5.04 Hotfix 1 or higher.

Plugin Details

Severity: High

ID: 2188

Family: FTP Servers

Published: 2004/08/31

Modified: 2018/09/16

Dependencies: 1803, 1804, 3222

Risk Information

Risk Factor: High


Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:C


Base Score: 7.5

Temporal Score: 7.2


Temporal Vector: CVSS3#E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:ipswitch:ws_ftp_server

Reference Information

CVE: CVE-2004-1643

BID: 11065