CVE-2005-1649

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 21.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2005-05-18 · updated 2026-06-16

Description

The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the "Land" vulnerability (CVE-1999-0016).

Affected products

Microsoft Windows 2003 Server: datacenter_64-bit-sp1, enterprise, enterprise-sp1, enterprise_64-bit, enterprise_64-bit-sp1, r2 (+5)
Microsoft Windows XP Service Pack 3: all versions

References

http://www.ntbugtraq.com/default.aspx?pid=36&sid=1&A2=ind0505&L=NTBUGTRAQ&P=R409&D=0&F=N&H=0&O=D&T=0
http://www.securityfocus.com/bid/13658
http://www.vupen.com/english/advisories/2005/0559
http://www.ntbugtraq.com/default.aspx?pid=36&sid=1&A2=ind0505&L=NTBUGTRAQ&P=R409&D=0&F=N&H=0&O=D&T=0
http://www.securityfocus.com/bid/13658
http://www.vupen.com/english/advisories/2005/0559

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