CVE-2000-0217: OpenBSD OpenSSH

Medium severity, CVSS 5.1. EPSS: 1% chance of exploitation in the next 30 days.

The default configuration of SSH allows X forwarding, which could allow a remote attacker to control a client's X sessions via a malicious xauth program.

Affected products

• OpenBSD OpenSSH: version 1.2 only
• SSH SSH: version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …
• SSH SSH2: version 2.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only; …

Published 2000-02-24. Last modified 2026-06-16.