Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server…
Priority HIGH 74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.85681 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000_terminal_services:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000_terminal_services:*:sp1:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000_terminal_services:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000_terminal_services:*:sp3:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000_terminal_services:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000_terminal_services:*:sp1:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000_terminal_services:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000_terminal_services:*:sp3:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0109
- 2026-10-03 Alias added: GHSA-949q-m2rc-xq42
References
Patch 3
Other 9
- 20030326 WebDAV exploit: using wide character decoder scheme
- 20030321 New attack vectors and a vulnerability dissection of MS03-007
- oval:org.mitre.oval:def:109
- 20030325 IIS 5.0 WebDAV -Proof of concept-. Fully documented.
- http://www.nextgenss.com/papers/ms03-007-ntdll.pdf
- 20030328 Fate Research Labs Presents: Analysis of the NTDLL.DLL Exploit
- http://microsoft.com/downloads/details.aspx?FamilyId=C9A38D45-5145-4844-B62E-C69D32AC929B&displaylang=en
- 20030708 WDAV exploit without netcat and with pretty magic number
- 20030321 New attack vectors and a vulnerability dissection of MS03-007
More Microsoft Windows 2000 vulnerabilities
- TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
- TI-2009-01458 Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in… KEVCVSS 3.1HIGH 8.8
- TI-2010-00224 The kernel in Microsoft Windows NT 3.1 through Windows 7, including Windows 2000 SP4… KEVCVSS 3.1HIGH 7.8
- TI-2009-01065 The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold… KEVCVSS 3.1HIGH 7.8
- TI-2004-00181 The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to… KEVCVSS 3.1HIGH 7.8
- TI-2002-00354 smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2003-0109 · CVE Program
- CVE-2003-0109 · NVD
- FIRST EPSS
- GHSA-949q-m2rc-xq42 · GitHub Advisory Database · CC BY 4.0
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