Ipswitch WS_FTP Server 3.1.1 SITE CPWD Command memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Ipswitch WS_FTP Server 3.1.1. Affected by this issue is some unknown functionality of the component SITE CPWD Command Handler. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2002-0826. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Ipswitch WS_FTP Server 3.1.1 (File Transfer Software). This vulnerability affects an unknown functionality of the component SITE CPWD Command Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in WS_FTP FTP Server 3.1.1 allows remote authenticated users to execute arbitrary code via a long SITE CPWD command.

The weakness was disclosed 08/12/2002 by Andreas Junestam (Website). The advisory is shared for download at ipswitch.com. This vulnerability was named CVE-2002-0826. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 11098 (WS_FTP Server SITE CPWD Command Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27158 (Ipswitch WS_FTP Server CPWD Remote Buffer Overflow Vulnerability).

Applying a patch is able to eliminate this problem. Attack attempts may be identified with Snort ID 1888.

The vulnerability is also documented in the databases at X-Force (9794), Tenable (11098), SecurityFocus (BID 5427†) and Vulnerability Center (SBV-895†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11098
Nessus Name: WS_FTP Server SITE CPWD Command Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11098
OpenVAS Name: WS_FTP SITE CPWD Buffer Overflow
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Snort ID: 1888
Snort Message: PROTOCOL-FTP SITE CPWD overflow attempt
Snort Class: 🔍

Suricata ID: 2101888
Suricata Class: 🔍
Suricata Message: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

08/08/2002 🔍
08/12/2002 +4 days 🔍
08/12/2002 +0 days 🔍
08/12/2002 +0 days 🔍
08/21/2002 +9 days 🔍
02/09/2003 +172 days 🔍
07/22/2014 +4181 days 🔍
09/13/2025 +4071 days 🔍

Sourcesinfo

Vendor: ipswitch.com

Advisory: ipswitch.com
Researcher: Andreas Junestam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-0826 (🔍)
GCVE (CVE): GCVE-0-2002-0826
GCVE (VulDB): GCVE-100-18712
X-Force: 9794
SecurityFocus: 5427 - Ipswitch WS_FTP Server CPWD Remote Buffer Overflow Vulnerability
Vulnerability Center: 895 - IPSwitch WS_FTP Server CPWD Remote Buffer Overflow Vulnerability, High

Entryinfo

Created: 07/23/2014 00:09
Updated: 09/13/2025 03:46
Changes: 07/23/2014 00:09 (80), 05/09/2019 11:52 (1), 09/13/2025 03:46 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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