CVE-2003-0349

Buffer overflow in the streaming media component for logging multicast requests in the ISAPI for...

7.5 HighPublic exploit

Buffer overflow in the streaming media component for logging multicast requests in the ISAPI for the logging capability of Microsoft Windows Media Services (nsiislog.dll), as installed in IIS 5.0, allows remote attackers to execute arbitrary code via a large POST request to nsiislog.dll.

Exploit likelihood

80.3%Down 5.3 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2003-0349
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

Record: CVE-2003-0349
Updated: 2026-11-02

EUVDEUVD-2003-0344 No score

Record: EUVD-2003-0344
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vg7r-f2jg-5449 No score

Buffer overflow in the streaming media component for logging multicast requests in the ISAPI for...

Record: GHSA-vg7r-f2jg-5449
Updated: 2026-11-02

Affected products

microsoft windows 2000

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft IIS - ISAPI 'nsiislog.dll' ISAPI POST Overflow (MS03-022) (Metasploit)	2010-07-25
Exploit-DB	Microsoft Windows NT 4.0/2000 - Media Services 'nsiislog.dll' Remote Buffer Overflow	2003-06-25
Exploit-DB	Microsoft Windows Media Services - Remote (MS03-022)	2003-07-01
Metasploit	MS03-022 Microsoft IIS ISAPI nsiislog.dll ISAPI POST Overflow	2003-06-25

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD

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

In short

CVE-2003-0349 is a high vulnerability (CVSS 7.5) in Microsoft Windows 2000, published June 28, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 80.3%, the 99th percentile. No source names a fixed version.