CVE-2000-0244: Citrix Metaframe

High severity, CVSS 10.0. EPSS: 2.3% chance of exploitation in the next 30 days.

The Citrix ICA (Independent Computing Architecture) protocol uses weak encryption (XOR) for user authentication.

Affected products

• Citrix Metaframe: up to and including 1.8; version 1.0 only
• Citrix Winframe: version 3.5_1.8_for_windows_nt only

Published 2000-03-29. Last modified 2026-06-16.