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CVE-2003-0109

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition,...

7.5 HighPublic exploit

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute arbitrary code, as demonstrated via a WebDAV request to IIS 5.0.

Exploit likelihood

85.7%Down 1.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute arbitrary code, as demonstrated via a WebDAV request to IIS 5.0.

Record
CVE-2003-0109
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute arbitrary code, as demonstrated via a WebDAV request to IIS 5.0.

Record
CVE-2003-0109
Updated
2026-11-02
EUVDEUVD-2003-0105 No score

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute arbitrary code, as demonstrated via a WebDAV request to IIS 5.0.

Record
EUVD-2003-0105
Updated
2026-11-03
GitHub AdvisoriesGHSA-949q-m2rc-xq42 No score

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition,...

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute arbitrary code, as demonstrated via a WebDAV request to IIS 5.0.

Record
GHSA-949q-m2rc-xq42
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0109 is a high vulnerability (CVSS 7.5) in Microsoft Windows 2000, published March 18, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 85.7%, the 99th percentile. No source names a fixed version.

References

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