CVE-2018-1000805: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 4.4% chance of exploitation in the next 30 days.

Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Paramiko Paramiko: version 1.17.6 only; version 1.18.5 only; version 2.0.8 only; version 2.1.5 only; version 2.2.3 only; version 2.3.2 only; …
• Red Hat Ansible Tower: version 3.3 only
• Red Hat Enterprise Linux Desktop: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 6.4 only; version 6.5 only; version 6.6 only; version 7.6 only
• Red Hat Enterprise Linux Server Eus: version 6.7 only; version 7.6 only
• Red Hat Enterprise Linux Server Tus: version 6.6 only; version 7.6 only
• Red Hat Enterprise Linux Workstation: version 6.0 only; version 7.0 only
• Red Hat Virtualization Host: version 4.0 only

Published 2018-10-08. Last modified 2026-06-17.