CVE-2000-0673

mediumpriority · track · 42EPSS 0.334 · 98 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

33.4% (98th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-354USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-20106Microsoft Windows NT 4.0/2000 - NetBIOS Name Conflictfunctional · exploit_db

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft windows 2000all versionsnvdUScpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
microsoft windows nt= 4.0nvdUScpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*
microsoft windows nt= terminal_servernvdUScpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2000-07-27modified 2026-06-16

references (10)

External citations — patches, advisories, analysis.

scry

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