CVE-2002-0055: Microsoft Exchange Server

Medium severity, CVSS 5.0. EPSS: 34.7% chance of exploitation in the next 30 days.

SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers to cause a denial of service via a command with a malformed data transfer (BDAT) request.

Affected products

• Microsoft Exchange Server: version 2000 only
• Microsoft Windows 2000: affected versions not specified
• Microsoft Windows XP: any version

Published 2002-03-08. Last modified 2026-06-16.