VULNERABILITY INTELLIGENCE

CVE-2001-0006

CVSS score7.1 HIGH

EPSS probability3.00%

CISA KEVNot currently listed

Published2001-02-12

Last modified2026-06-16

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

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.

Weakness classification

CWE-732: Incorrect Permission Assignment for Critical Resource

Primary references

cve@mitre.org — Mailing List
cve@mitre.org — Patch, Release Notes, Vendor Advisory
cve@mitre.org — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mailing List
af854a3a-2127-422b-91ae-364da2661108 — Patch, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry