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Vulnerability record · CVE-2001-0721 · published 6 December 2001

CVE-2001-0721: Microsoft windows 98 vulnerability

Microsoft · Windows 98

Universal Plug and Play (UPnP) in Windows 98, 98SE, ME, and XP allows remote attackers to cause a denial of service (memory consumption or crash) via a malformed UPnP request.

5.0 CVSS 2.0 Medium EPSS 17% · top 3.0%
5.0CVSS 2.0 base score
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Universal Plug and Play (UPnP) in Windows 98, 98SE, ME, and XP allows remote attackers to cause a denial of service (memory consumption or crash) via a malformed UPnP request.

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

Affected products

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

References

LinkTags
http://marc.info/?l=bugtraq&m=100467787323377&w=2
http://marc.info/?l=bugtraq&m=100528449024158&w=2
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-054
http://marc.info/?l=bugtraq&m=100467787323377&w=2
http://marc.info/?l=bugtraq&m=100528449024158&w=2
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-054

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Source: NIST National Vulnerability Database (record CVE-2001-0721), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.