CVE-2002-0055: SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers...

Security readout for executives and security teams

This is a remote denial-of-service issue in Microsoft SMTP services from the Windows 2000, Windows XP Professional, and Exchange 2000 era. A malformed BDAT data-transfer request could crash or disrupt mail service. The main business concern is outage risk for any remaining legacy mail-exposed systems. Exposure is most plausible where legacy Microsoft SMTP services remain reachable, especially internet-facing or partner-facing mail servers. Modern systems are not identified as affected in the provided sources. Prioritize this if any affected legacy SMTP service is still exposed or business-critical. If those platforms are retired, urgency is low. The key decision is whether old Microsoft mail infrastructure still exists in production or adjacent networks. Mitigation focus: Review Microsoft bulletin MS02-012 and apply applicable vendor updates.; Retire or isolate unsupported Windows 2000, XP Professional, and Exchange 2000 systems.; Restrict SMTP access to trusted networks where business requirements allow..

Prepared

Jul 1, 2026, 06:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.