CVE-2000-1227

NONECVSS 0.0Elevated

0.0

Windows NT 4.0 and Windows 2000 hosts allow remote attackers to cause a denial of service (unavailable connections) by sending multiple SMB SMBnegprots requests but not reading the response that is sent back.

CVSS v3: —
EG Score: —
EPSS: 95.2%
KEV: Not listed

Published

December 31, 2000

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://www.securityfocus.com/archive/1/63322
cve@mitrehttp://www.securityfocus.com/bid/1301
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/63322
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1301

Data Freshness Timeline

(refreshed 11× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2000-1227?

CVE-2000-1227 is a none vulnerability published on December 31, 2000. Windows NT 4.0 and Windows 2000 hosts allow remote attackers to cause a denial of service (unavailable connections) by sending multiple SMB SMBnegprots requests but not reading the response that is sent back.

When was CVE-2000-1227 disclosed?

CVE-2000-1227 was first published in the National Vulnerability Database on December 31, 2000, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2000-1227 actively exploited?

CVE-2000-1227 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-1227?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-1227, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2000-1227

📅 Published

🔄 Last Modified

🔗 References (4)