Microsoft Windows NT 4.0 Winsock2ProtocolCatalogMutex denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows NT 4.0. It has been rated as problematic. Impacted is an unknown function of the component Winsock2ProtocolCatalogMutex. The manipulation leads to denial of service. This vulnerability is listed as CVE-2001-0006. The attack must be carried out locally. In addition, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows NT 4.0 (Operating System). This issue affects an unknown function of the component Winsock2ProtocolCatalogMutex. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The Winsock2ProtocolCatalogMutex mutex in Windows NT 4.0 has inappropriate Everyone/Full Control permissions, which allows local users to modify the permissions to "No Access" and disable Winsock network connectivity to cause a denial of service, aka the "Winsock Mutex" vulnerability.

The weakness was presented 02/12/2001 as MS01-003 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. The identification of this vulnerability is CVE-2001-0006. The exploitation is known to be easy. An attack has to be approached locally. The successful exploitation requires a simple authentication. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 10603 (MS01-003: Winsock2ProtocolCatalogMutex Mutex Local DoS (279336)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90156 (Microsoft Winsock Weak Mutex Permission Vulnerability (MS01-003)).

Applying the patch MS01-003 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (6006), Exploit-DB (20596), Tenable (10603), SecurityFocus (BID 2303†) and Vulnerability Center (SBV-298†). See VDB-16370 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10603
Nessus Name: MS01-003: Winsock2ProtocolCatalogMutex Mutex Local DoS (279336)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-003

Timelineinfo

01/24/2001 🔍
01/29/2001 +5 days 🔍
02/12/2001 +14 days 🔍
02/12/2001 +0 days 🔍
12/08/2002 +664 days 🔍
07/03/2014 +4225 days 🔍
10/11/2025 +4117 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS01-003
Status: Confirmed

CVE: CVE-2001-0006 (🔍)
GCVE (CVE): GCVE-0-2001-0006
GCVE (VulDB): GCVE-100-16373
X-Force: 6006 - Microsoft Windows NT mutex denial of service
SecurityFocus: 2303
Vulnerability Center: 298 - [MS01-003] Win NT 4.0 Winsock Mutex DOS, Medium

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

Entryinfo

Created: 07/03/2014 10:24
Updated: 10/11/2025 01:04
Changes: 07/03/2014 10:24 (67), 06/25/2021 11:56 (2), 01/31/2025 19:36 (23), 10/11/2025 01:04 (2)
Complete: 🔍
Cache ID: 216::103

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