Description
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.
Metrics
CVSS 3.1 7.1/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://marc.info/?l=bugtraq&m=98075221915234&w=2Mailing List
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-003Patch, Release Notes, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6006Third Party Advisory, VDB Entry
- http://marc.info/?l=bugtraq&m=98075221915234&w=2Mailing List
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-003Patch, Release Notes, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6006Third Party Advisory, VDB Entry
Timeline
- Published
- Feb 12, 2001
- Last modified
- Jun 16, 2026
- NVD status
- Modified