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CVE-2001-0006
HIGH
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.
Published: Feb 12, 2001
Modified: Apr 16, 2026
CWE-732
CVSS Metrics
CVSSv3
Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| microsoft | windows_nt | 4.0 |
GitHub Security Advisory GHSA-cgm8-c3pr-78fr
The Winsock2ProtocolCatalogMutex mutex in Windows NT 4.0 has inappropriate Everyone/Full Control...
References (6)
- http://marc.info/?l=bugtraq&m=98075221915234&w=2 Mailing List
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-003 Patch, Release Notes, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6006 Third Party Advisory, VDB Entry
- http://marc.info/?l=bugtraq&m=98075221915234&w=2 Mailing List
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-003 Patch, Release Notes, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6006 Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
7.1 / 10
EPSS Score
0.13%
Top 68% most likely to be exploited
Threat Score
28.4 / 100
Data Sources
NVD
EPSS
GitHub