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Fencer Vulns
high 7.8

CVE-2006-0021 in the critical feed json

Microsoft Windows XP SP1 and SP2, and Server 2003 up to SP1, allows remote attackers to cause a denial of service (hang) via an IGMP packet…

published 2006-02-14 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0029

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
62.9%
EPSS 62.9% chance of exploitation in 30 days, percentile 99.2%
public exploits
2
Exploit-DB

Summary

Microsoft Windows XP SP1 and SP2, and Server 2003 up to SP1, allows remote attackers to cause a denial of service (hang) via an IGMP packet with an invalid IP option, aka the "IGMP v3 DoS Vulnerability."

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-1599)

Exploit prediction

62.88% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-1603 Microsoft Windows XP/2003 - IGMP v3 Denial of Service (MS06-007) (2) dos, 2006-03-22
  • EDB-1599 Microsoft Windows XP/2003 - IGMP v3 Denial of Service (MS06-007) (1) dos, 2006-03-21

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.