CVE-2003-0786: OpenBSD OpenSSH

High severity, CVSS 10.0. EPSS: 3.6% chance of exploitation in the next 30 days.

The SSH1 PAM challenge response authentication in OpenSSH 3.7.1 and 3.7.1p1, when Privilege Separation is disabled, does not check the result of the authentication attempt, which can allow remote attackers to gain privileges.

Affected products

• OpenBSD OpenSSH: version 3.7.1 only; version 3.7.1p1 only

Published 2003-11-17. Last modified 2026-06-16.