Vulnerability Note VU#951555

Microsoft Windows Universal Plug and Play (UPNP) vulnerable to buffer overflow via malformed advertisement packets

Original Release date: 20 Dec 2001 | Last revised: 20 Dec 2001


A buffer overflow in Universal Plug and Play (UPnP) service on Microsoft Windows XP, Microsoft Windows ME, and Microsoft Windows 98 permits an intruder to run arbitrary code on vulnerable systems.


Universal Plug and Play (UPnP) is a system to allow network devices to operate together. A vulnerability in the Microsoft Windows XP and Windows ME implementation of UPnP may permit an intruder to execute arbitrary code with SYSTEM privileges. Additionally, Windows 98 and Windows 98SE may be affected if you have installed the Windows XP Internet Connection Sharing client. These vulnerabilities were discovered by Eeye Digital Security. For more information, see


An intruder can run arbitrary code in the local SYSTEM security context.


Apply a patch as described in MS01-059.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
MicrosoftAffected-20 Dec 2001
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A



Our thanks to Eeye Digital Security, who discovered the problem, and Microsoft for the information contained in their bulletins.

This document was written by Shawn Hernan.

Other Information

  • CVE IDs: CAN-2001-0876
  • Date Public: 20 Dec 2001
  • Date First Published: 20 Dec 2001
  • Date Last Updated: 20 Dec 2001
  • Severity Metric: 51.64
  • Document Revision: 7


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