CVE-2005-0688: Microsoft Windows 2003 Server

Medium severity, CVSS 5.0. EPSS: 47.4% chance of exploitation in the next 30 days.

Windows Server 2003 and XP SP2, 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, aka a reoccurrence of the "Land" vulnerability (CVE-1999-0016).

Affected products

• Microsoft Windows 2003 Server: version r2 only
• Microsoft Windows XP: any version

Published 2005-03-05. Last modified 2026-06-16.