CVE-2004-0900

CVE-2004-0900 is a critical-severity vulnerability in Microsoft Windows Nt with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

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."

Frequently asked questions

What is 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."
How severe is CVE-2004-0900?
CVE-2004-0900 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0900 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0900?
CVE-2004-0900 primarily affects Microsoft Windows Nt. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0900?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0900 published?
CVE-2004-0900 was published on 2005-01-10 and last updated on 2026-06-16.

References

Affected products (40)

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