CVE-2005-1649

Name: CVE-2005-1649
Creator: NVD / NIST
Published: 2005-05-18T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 21.78%

Last modified Jun 16, 2026

CVE-2005-1649 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 21.78% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability

21.78%

97.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 2003 Server	datacenter_64-bit	Sp1
Microsoft	Windows 2003 Server	enterprise	—
Microsoft	Windows 2003 Server	enterprise_64-bit	—
Microsoft	Windows 2003 Server	r2	—
Microsoft	Windows 2003 Server	standard	—
Microsoft	Windows 2003 Server	web	—
Microsoft	Windows Xp	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=0Exploit, Vendor Advisory
http://www.securityfocus.com/bid/13658Exploit
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=0Exploit, Vendor Advisory
http://www.securityfocus.com/bid/13658Exploit
http://www.vupen.com/english/advisories/2005/0559

Timeline

Published: May 18, 2005
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2005-1649?

How severe is CVE-2005-1649?

Severity scoring for CVE-2005-1649 is pending analysis. The EPSS model estimates a 21.78% probability of exploitation in the next 30 days.

How do I fix CVE-2005-1649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-1649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST