CVE-2004-0900

The DHCP Server service for Microsoft Windows NT 4.0 Server and Terminal Server Edition does not properly validate the length of certain messages, which allows remote attackers to execute arbitrary code via a malformed DHCP message, aka the "DHCP Request Vulnerability."

Published: 2005-01-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0900 is rated High Risk (69.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 26.04%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-0900

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 41.49% 26.04% -15.45%
2 2025-03-30 62.90% 41.49% -21.41%
3 2025-03-29 — 62.90% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0900

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-0900

Affected software / configurations for CVE-2004-0900

Vendor Product Version Raw CPE
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server_alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp1:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp1:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp1:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp1:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp1:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp2:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp2:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp2:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp2:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp2:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp3:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp3:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp3:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp3:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp3:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp4:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp4:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp4:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp4:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp4:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp5:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp5:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp5:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp5:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp5:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6:server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6:terminal_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:*:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:alpha:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:enterprise_server:*:*:*:*:*
microsoft windows_nt 4.0 cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:server:*:*:*:*:*

References for CVE-2004-0900

cvelogic Threat Intelligence