CVE-2001-0006

moderate-risk
Published 2001-02-12

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.

Do I need to act?

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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
20596
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10 High
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Microsoft

References (6)

Mailing List http://marc.info/?l=bugtraq&m=98075221915234&w=2
Patch https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-00...
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/6006
Mailing List http://marc.info/?l=bugtraq&m=98075221915234&w=2
Patch https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-00...
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/6006
35
/ 100
moderate-risk
Severity 22/34 · High
Exploitability 8/34 · Low
Exposure 5/34 · Minimal