CVE-2005-1205: Microsoft Windows 2003 Server

Medium severity, CVSS 5.0. EPSS: 33% chance of exploitation in the next 30 days.

The Telnet client for Microsoft Windows XP, Windows Server 2003, and Windows Services for UNIX allows remote attackers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command.

Affected products

• Microsoft Windows 2003 Server: version enterprise only; version r2 only; version standard only; version web only

Published 2005-06-14. Last modified 2026-06-16.