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CVE-1999-0593

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users...

4.9 Medium

CVE-1999-0593 is a medium vulnerability (CVSS 4.9) in Microsoft Windows Nt, published January 1, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.23%, the 83rd percentile. No source names a fixed version.

What does this mean?
Severity
4.9 MediumCVSS 2.0, NVD
Exploit chance
2.23%EPSS, 83rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

Exploit likelihood

2.23%Down 3.9 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used4.9

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

Record
CVE-1999-0593
CVSS 2.0
4.9 MediumAV:L/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02
CVE ListNo score

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

Record
CVE-1999-0593
Updated
2026-11-02
EUVDEUVD-1999-0576No score

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

Record
EUVD-1999-0576
Updated
2026-11-03
GitHub AdvisoriesGHSA-3jjv-7mh3-jr9jNo score

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users...

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

Record
GHSA-3jjv-7mh3-jr9j
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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