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Vulnerability record · CVE-2003-0227 · published 9 June 2003

CVE-2003-0227: Microsoft windows 2000 memory buffer overflow vulnerability

Microsoft · Windows 2000

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.

5.0 CVSS 2.0 Medium EPSS 34% · top 1.6% CWE-119 · Memory buffer overflow
5.0CVSS 2.0 base score
34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=105427615626177&w=2 Issue TrackingThird Party Advisory
http://marc.info/?l=ntbugtraq&m=105421127531558&w=2 Issue TrackingThird Party Advisory
http://marc.info/?l=ntbugtraq&m=105421176432011&w=2 Issue TrackingThird Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-019 Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A936 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A966 Third Party Advisory
http://marc.info/?l=bugtraq&m=105427615626177&w=2 Issue TrackingThird Party Advisory
http://marc.info/?l=ntbugtraq&m=105421127531558&w=2 Issue TrackingThird Party Advisory
http://marc.info/?l=ntbugtraq&m=105421176432011&w=2 Issue TrackingThird Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-019 Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A936 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A966 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-0227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.