Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
| Software | From | Fixed in |
|---|---|---|
| cisco / optical_networking_systems_software | 3.2 | 3.2.x |
| cisco / optical_networking_systems_software | 3.3.0 | 3.3.0.x |
| cisco / optical_networking_systems_software | 3.1.0 | 3.1.0.x |
| cisco / optical_networking_systems_software | 3.2.0 | 3.2.0.x |
| cisco / optical_networking_systems_software | 3.0 | 3.0.x |