CVE-2000-1218

Name: CVE-2000-1218
Creator: NVD / NIST
Published: 2000-04-14T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 6.09%

Last modified Jun 16, 2026

CVE-2000-1218 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The default configuration for the domain name resolver for Microsoft Windows 98, NT 4.0, 2000, and XP sets the QueryIpMatching parameter to 0, which causes Windows to accept DNS updates from hosts that it did not query, which allows remote attackers to poison the DNS cache.. EPSS estimates a 6.09% chance of exploitation in the next 30 days.

Description

The default configuration for the domain name resolver for Microsoft Windows 98, NT 4.0, 2000, and XP sets the QueryIpMatching parameter to 0, which causes Windows to accept DNS updates from hosts that it did not query, which allows remote attackers to poison the DNS cache.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

6.09%

92.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-346

Affected Software

Vendor	Product	Versions
Microsoft	Windows 2000	All versions
Microsoft	Windows 98	All versions
Microsoft	Windows 98se	All versions
Microsoft	Windows Nt	4.0
Microsoft	Windows Xp	All versions

References

http://www.kb.cert.org/vuls/id/458659Third Party Advisory, US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/4280Third Party Advisory, VDB Entry
http://www.kb.cert.org/vuls/id/458659Third Party Advisory, US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/4280Third Party Advisory, VDB Entry

Timeline

Published: Apr 14, 2000
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2000-1218?

How severe is CVE-2000-1218?

CVE-2000-1218 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 6.09% probability of exploitation in the next 30 days.

How do I fix CVE-2000-1218?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2000-1218?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST