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Fencer Vulns
medium 5.0

CVE-2001-0721 json

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

published 2001-11-22 24 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0707

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
17.3%
EPSS 17.3% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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.

Exploit prediction

17.34% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.