Key Focus KF Web Server 1.0.2 HTTP Request File information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Key Focus KF Web Server 1.0.2 and classified as critical. This vulnerability affects unknown code of the component HTTP Request Handler. Performing a manipulation with the input %00 results in information disclosure (File). This vulnerability is known as CVE-2002-1031. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Key Focus KF Web Server 1.0.2 (Web Server). This affects an unknown part of the component HTTP Request Handler. The manipulation with the input value %00 leads to a information disclosure vulnerability (File). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

KeyFocus (KF) web server 1.0.2 allows remote attackers to list directories and read restricted files via an HTTP request containing a %00 (null) character.

The weakness was published 10/04/2002 as not defined posting (Bugtraq). The advisory is shared at online.securityfocus.com. This vulnerability is uniquely identified as CVE-2002-1031. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 11166 (KeyFocus (KF) Web Server Null Byte Request Restricted File / Directory Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86363 (Key Focus KF Web Server Directory Contents Disclosure Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (9500), Exploit-DB (21597), Tenable (11166), SecurityFocus (BID 5177†) and Vulnerability Center (SBV-2208†). Similar entries are available at VDB-18946 and VDB-20045. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Information disclosure / File
CWE: CWE-200 / CWE-284 / CWE-266
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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Nessus ID: 11166
Nessus Name: KeyFocus (KF) Web Server Null Byte Request Restricted File / Directory Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2002 🔍
07/08/2002 +188 days 🔍
10/04/2002 +88 days 🔍
10/04/2002 +0 days 🔍
11/25/2002 +52 days 🔍
10/01/2003 +310 days 🔍
07/29/2014 +3954 days 🔍
09/10/2025 +4061 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-1031 (🔍)
GCVE (CVE): GCVE-0-2002-1031
GCVE (VulDB): GCVE-100-18945
X-Force: 9500
SecurityFocus: 5177 - Key Focus KF Web Server Directory Contents Disclosure Vulnerability
Vulnerability Center: 2208 - KF Web Server allows Files Disclosure, Medium

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

Entryinfo

Created: 07/29/2014 12:24
Updated: 09/10/2025 05:28
Changes: 07/29/2014 12:24 (68), 05/13/2019 11:50 (1), 06/28/2021 07:32 (3), 06/01/2025 15:03 (25), 09/10/2025 05:28 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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