Nexgen FTP Server up to 2.2.3.22 FTP Command path traversal

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Nexgen FTP Server up to 2.2.3.22. It has been classified as problematic. The impacted element is an unknown function of the component FTP Command. This manipulation causes path traversal. This vulnerability is handled as CVE-2004-2487. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Nexgen FTP Server up to 2.2.3.22 (File Transfer Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component FTP Command. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The summary by CVE is:

Directory traversal vulnerability in Nexgen FTP Server before 2.2.3.23 allows remote authenticated users to read or list arbitrary files via (1) "..", (2) "\..\" (backslash dot dot), or (3) "/../" sequences in (a) RETR (get), (b) NLST (ls), (c) LIST (ls), (d) RNFR, or (e) RNTO FTP commands.

The weakness was released 03/24/2004 by Ziv Kamir (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2004-2487 since 10/25/2005. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27232 (Nexgen FTP Server Multiple Remote Vulnerabilities).

Upgrading to version 2.2.3.23 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (15594), Exploit-DB (23877), SecurityFocus (BID 9970†), OSVDB (4557†) and Secunia (SA11216†). Entry connected to this vulnerability is available at VDB-23372. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: FTP Server 2.2.3.23

Timelineinfo

03/24/2004 🔍
03/24/2004 +0 days 🔍
03/24/2004 +0 days 🔍
03/25/2004 +1 days 🔍
03/25/2004 +0 days 🔍
12/31/2004 +280 days 🔍
10/25/2005 +298 days 🔍
03/09/2015 +3422 days 🔍
09/30/2025 +3858 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Ziv Kamir
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-2487 (🔍)
GCVE (CVE): GCVE-0-2004-2487
GCVE (VulDB): GCVE-100-23371
X-Force: 15594 - Nexgen FTP Server \
SecurityFocus: 9970 - NexGen FTP Server Remote Directory Traversal Vulnerability
Secunia: 11216 - Nexgen FTP Server Directory Traversal Vulnerability, Moderately Critical
OSVDB: 4557 - Nexgen FTP Server Multiple Commands Traversal Arbitrary File Access

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/09/2015 16:55
Updated: 09/30/2025 11:34
Changes: 03/09/2015 16:55 (63), 07/19/2017 09:56 (7), 09/30/2025 11:34 (21)
Complete: 🔍
Cache ID: 216:DE6:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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