CVE-2001-1507: OpenBSD OpenSSH

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

OpenSSH before 3.0.1 with Kerberos V enabled does not properly authenticate users, which could allow remote attackers to login unchallenged.

Affected products

• OpenBSD OpenSSH: version 3.0 only; version 3.0p1 only

Published 2001-12-31. Last modified 2026-06-16.