CVE-2003-0227

Microsoft Windows Media Services - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0227. PoCs published by anonymous.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Microsoft IIS 5.0 via the nsiislog.dll script. It sends a maliciously crafted POST request with a large payload containing shellcode to achieve remote code execution.

Description

The logging capability for unicast and multicast transmissions in the ISAPI extension for Microsoft Windows Media Services in Microsoft Windows NT 4.0 and 2000, nsiislog.dll, allows remote attackers to cause a denial of service in Internet Information Server (IIS) and execute arbitrary code via a certain network request.

Exploits (1)

exploitdb WORKING POC VERIFIED
by anonymous · cremotewindows
https://www.exploit-db.com/exploits/56

This exploit targets a buffer overflow vulnerability in Microsoft IIS 5.0 via the nsiislog.dll script. It sends a maliciously crafted POST request with a large payload containing shellcode to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft IIS 5.0
No auth needed
Prerequisites: Network access to the target server · IIS 5.0 with vulnerable nsiislog.dll script
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A966
Issue Tracking, Third Party Advisory mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=105427615626177&w=2
Issue Tracking, Third Party Advisory mailing-list x_refsource_ntbugtraq
http://marc.info/?l=ntbugtraq&m=105421176432011&w=2
Issue Tracking, Third Party Advisory mailing-list x_refsource_ntbugtraq
http://marc.info/?l=ntbugtraq&m=105421127531558&w=2
Third Party Advisory vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A936

Scores

EPSS 0.3878
EPSS Percentile 98.4%

Details

CWE
CWE-119
Status published
Products (2)
microsoft/windows_2000
microsoft/windows_nt 4.0
Published Jun 09, 2003
Tracked Since Feb 18, 2026