CVE-2001-0504: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 21.1% chance of exploitation in the next 30 days.

Vulnerability in authentication process for SMTP service in Microsoft Windows 2000 allows remote attackers to use incorrect credentials to gain privileges and conduct activities such as mail relaying.

Affected products

• Microsoft Windows 2000: any version

Published 2001-08-14. Last modified 2026-06-16.