Home/CVE/In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank password, through a pr
CVE

CVE-1999-0366

In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank password, through a pr

In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank password, through a problem with a null NT hash value.

HIGH · CVSS 7.5 EPSS 0.05702
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
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Weakness Classification

CWE-287Improper Authentication
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Affected Products & Versions

1
microsoft windows ntall versions
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Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumWow6432Node Windows NT CurrentVersion Autorun Keys Modification
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Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD08 Feb 1999 · 05:00 AM
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://support.microsoft.com/default.aspx?scid=kb
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-004
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