--- title: "CVE-2006-0021: Microsoft Windows XP SP1 and SP2… | CubePath" description: "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…" language: en source: https://cubepath.com/security/cve/CVE-2006-0021 --- # CVE-2006-0021: Microsoft Windows XP SP1 and SP2… | CubePath ## Description 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." Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2006-0021) ## Key data ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.62882 (62.9% probability) Percentile 99.2% Scores of Nov 10, 2026 Model v2026.06.15 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [oval:org.mitre.oval:def:1310](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1310) (oval.cisecurity.org) vdb-entry signature - [ADV-2006-0576](http://www.vupen.com/english/advisories/2006/0576) (vupen.com) vdb-entry - [MS06-007](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-007) (docs.microsoft.com) vendor-advisory - [oval:org.mitre.oval:def:1425](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1425) (oval.cisecurity.org) vdb-entry signature - [win-igmpv3-dos(24489)](https://exchange.xforce.ibmcloud.com/vulnerabilities/24489) (exchange.xforce.ibmcloud.com) vdb-entry - [16645](http://www.securityfocus.com/bid/16645) (securityfocus.com) vdb-entry - [oval:org.mitre.oval:def:1662](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1662) (oval.cisecurity.org) vdb-entry signature - [VU#839284](http://www.kb.cert.org/vuls/id/839284) (kb.cert.org) third-party-advisory - [TA06-045A](http://www.us-cert.gov/cas/techalerts/TA06-045A.html) (us-cert.gov) third-party-advisory - [oval:org.mitre.oval:def:678](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A678) (oval.cisecurity.org) vdb-entry signature - [oval:org.mitre.oval:def:1647](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1647) (oval.cisecurity.org) vdb-entry signature - [1015629](http://securitytracker.com/id?1015629) (securitytracker.com) vdb-entry - [20071023 SYMSA-2007-012: Microsoft Windows CE IGMP Denial of Service](http://www.securityfocus.com/archive/1/482658/30/4350/threaded) (securityfocus.com) mailing-list - [1599](https://www.exploit-db.com/exploits/1599) (exploit-db.com) exploit - [securiteam.com/exploits/5PP0T0KI0O.html](http://www.securiteam.com/exploits/5PP0T0KI0O.html) - [18853](http://secunia.com/advisories/18853) (secunia.com) third-party-advisory ## Timeline 1. ID reserved Nov 30, 2005 2. Record published Feb 14, 2006 3. Record last updated Aug 7, 2024 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:02 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)