High severity7.1NVD Advisory· Published Feb 12, 2001· Updated Jun 16, 2026
CVE-2001-0006
CVE-2001-0006
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.
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Affected products
2- cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-003nvdPatchRelease NotesVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/6006nvdThird Party AdvisoryVDB Entry
- marc.infonvdMailing List
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