CVE-2000-0580: Microsoft Windows 2000

Medium severity, CVSS 5.0. EPSS: 16.3% chance of exploitation in the next 30 days.

Windows 2000 Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros to various TCP and UDP ports, which significantly increases the CPU utilization.

Affected products

• Microsoft Windows 2000: any version; version 2000.0.2195 only; version 2000.2072 only

Published 2000-06-30. Last modified 2026-06-16.