CVE & CISA-KEV CatalogNVD
CVE-2000-1227
MEDIUMEPSS 96th pctl5.0
CVSS v2
Description
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 v2 Vector
No CVSS vector data available.
Exploit Intelligence
13.37%probability of exploitation in 30 days
96thpercentile
Very high risk: more likely to be exploited than 96% of all known CVEs.
References
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.