CVE-2001-0006

High

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.

SeverityHigh

CVSS7.1

Exploit probability—

Product

Microsoft Windows Nt

PublishedFeb 12, 2001

First seenFeb 12, 2001

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-003

Affected products

Product	Affected versions	Fixed in
microsoft windows_nt	4.0	—

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