HOMEVULNERABILITIESCVE-2000-1218
CRITICAL

CVE-2000-1218

CWE-346Published: April 14, 2000· Updated: Jun 16, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2000-1218 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Microsoft5 product(s)
windows 2000windows 98windows 98sewindows ntwindows xp
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.kb.cert.org/vuls/id/458659
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/4280
ADVISORYhttp://www.kb.cert.org/vuls/id/458659
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/4280

All References (4)

→
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

Quick Facts

CVE IDCVE-2000-1218
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-346
CISA KEVNo
Affected1 vendor(s)
PublishedApr 14, 2000

Related CVEs (CWE-346)

CVE-2023-30856
10.0
CVE-2026-42901
10.0
CVE-2022-3457
9.8
CVE-2019-16517
9.8
CVE-2019-8069
9.8
CVE-2023-49899
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2000-1218 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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