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CVE-2000-0673

MediumPublished

The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote attackers to cause a denial of service by sending a spoofed...

Published: Oct 13, 2000
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Aug 1, 2000

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

33.4%

Moderate · next 30 days

Percentile: 98.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote attackers to cause a denial of service by sending a spoofed Name Conflict or Name Release datagram, aka the "NetBIOS Name Server Protocol Spoofing" vulnerability.

Sources

Microsoft Windows NT 4.0/2000 - NetBIOS Name ConflictExploit
Sir Dystic · windows · Aug 1, 2000

Responsible use

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