9.8

CVE-2000-1218: microsoft windows_2000 Origin Validation Error

CVSS: 9.8v3.1CriticalModified
Published 21-04-2005Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2000-1218 is a critical (CVSS 9.8) Origin Validation Error vulnerability in microsoft windows_2000. EPSS estimates a 6.21% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
6.21%
0%100%
Low · -0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-04-2005
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

6.21%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

-0.05 pp

From 6.26% on 18-09-2026

18-09-202618-10-2026
EPSS score
6.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft5 products

1 vendor · 5 products

References

2 links