CVE-2009-3369: Backuppc

High severity, CVSS 8.5. EPSS: 2.9% chance of exploitation in the next 30 days.

CgiUserConfigEdit in BackupPC 3.1.0, when SSH keys and Rsync are in use in a multi-user environment, does not restrict users from the ClientNameAlias function, which allows remote authenticated users to read and write sensitive files by modifying ClientNameAlias to match another system, then initiating a backup or restore.

Affected products

• Backuppc Backuppc: version 3.1.0 only

Published 2009-09-24. Last modified 2026-06-16.