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Fencer Vulns
high 7.5

CVE-2003-0109 in the critical feed json

Buffer overflow in ntdll.dll on Microsoft Windows NT 4.0, Windows NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remot…

published 2003-03-18 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0105

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
85.7%
EPSS 85.7% chance of exploitation in 30 days, percentile 99.7%
public exploits
10
Metasploit, Exploit-DB

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.

Patch / fix

Timeline

  1. First public exploit (EDB-22368)
  2. Published

Exploit prediction

85.68% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/iis/ms03_007_ntdll_webdav MS03-007 Microsoft IIS 5.0 WebDAV ntdll.dll Path Overflow metasploit exploit, great rank, 2003-05-30
  • EDB-22368 Microsoft IIS 5.0 (Windows XP/2000/NT 4.0) - WebDAV 'ntdll.dll' Remote Buffer Overflow (4) remote, 2003-03-17
  • EDB-22367 Microsoft IIS 5.0 (Windows XP/2000/NT 4.0) - WebDAV 'ntdll.dll' Remote Buffer Overflow (3) remote, 2003-04-04
  • EDB-22366 Microsoft IIS 5.0 (Windows XP/2000/NT 4.0) - WebDAV 'ntdll.dll' Remote Buffer Overflow (2) remote, 2003-03-31
  • EDB-22365 Microsoft IIS 5.0 (Windows XP/2000/NT 4.0) - WebDAV 'ntdll.dll' Remote Buffer Overflow (1) remote, 2003-03-24
  • EDB-16470 Microsoft IIS 5.0 - WebDAV 'ntdll.dll' Path Overflow (MS03-007) (Metasploit) remote, 2010-07-25
  • EDB-51 Microsoft IIS 5.0 - WebDAV Remote Code Execution (3) (xwdav) remote, 2003-07-08
  • EDB-36 Microsoft Windows - WebDAV Remote Code Execution (2) remote, 2003-06-01
  • EDB-2 Microsoft IIS 5.0 - WebDAV Remote remote, 2003-03-24
  • EDB-1 Microsoft IIS - WebDAV 'ntdll.dll' Remote Overflow remote, 2003-03-23
  • securityfocus.com http://www.securityfocus.com/bid/7116 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.