CVE-2019-1000018: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in allowscp permission that can result in Local command execution. This attack appear to be exploitable via An authorized SSH user with the allowscp permission.

Affected products

• Canonical Ubuntu Linux: 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
• Fedoraproject Fedora: version 29 only; version 30 only; version 31 only
• Pizzashack Rssh: version 2.3.4 only

Published 2019-02-04. Last modified 2026-06-17.