Bitvise WinSSHD 1.1 Connection Request denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Bitvise WinSSHD 1.1. This vulnerability affects unknown code of the component Connection Request Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2002-0460. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Bitvise WinSSHD 1.1 (SSH Server Software). Affected is an unknown functionality of the component Connection Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Bitvise WinSSHD before 2002-03-16 allows remote attackers to cause a denial of service (resource exhaustion) via a large number of incomplete connections that are not properly terminated, which are not properly freed by SSHd.

The weakness was released 08/12/2002 by SecuriTeam with SecuriTeam.com (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2002-0460. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 38091 (BitVise WinSSHD Numerous Connections Denial of Service Vulnerability).

Upgrading to version 1.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8470), SecurityFocus (BID 4300†) and Vulnerability Center (SBV-6413†). Once again VulDB remains the best source for 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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Denial of service
CWE: CWE-404
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WinSSHD 1.1

Timelineinfo

03/18/2002 🔍
08/12/2002 +147 days 🔍
08/12/2002 +0 days 🔍
08/12/2002 +0 days 🔍
12/12/2004 +853 days 🔍
07/22/2014 +3509 days 🔍
09/17/2025 +4075 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: SecuriTeam
Organization: SecuriTeam.com
Status: Confirmed

CVE: CVE-2002-0460 (🔍)
GCVE (CVE): GCVE-0-2002-0460
GCVE (VulDB): GCVE-100-18516
X-Force: 8470
SecurityFocus: 4300 - BitVise WinSSHD Numerous Connections DoS Vulnerability
Vulnerability Center: 6413 - DoS in BitVise WinSSHD 1.1 via Numerous Incomplete Connections, Medium

Entryinfo

Created: 07/22/2014 21:25
Updated: 09/17/2025 06:55
Changes: 07/22/2014 21:25 (59), 05/27/2019 09:31 (1), 09/17/2025 06:55 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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