Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit access of others or being able to grant them access when there are system tag based files access control or files retention rules. It is recommended that the Nextcloud Server is upgraded to 24.0.11 or 25.0.5, the Nextcloud Enterprise Server to 21.0.9.11, 22.2.10.11, 23.0.12.6, 24.0.11 or 25.0.5, and the Nextcloud Files automated tagging app to 1.11.1, 1.12.1, 1.13.1, 1.14.2, 1.15.3 or 1.16.1. Users unable to upgrade should disable all workflow related apps. Users are advised to upgrade.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nextcloud_files_automated_tagging | Nextcloud | 1.14.0 (including) | 1.14.2 (excluding) |
| Nextcloud_files_automated_tagging | Nextcloud | 1.15.0 (including) | 1.15.3 (excluding) |
| Nextcloud_files_automated_tagging | Nextcloud | 1.11.0 (including) | 1.11.0 (including) |
| Nextcloud_files_automated_tagging | Nextcloud | 1.12.0 (including) | 1.12.0 (including) |
| Nextcloud_files_automated_tagging | Nextcloud | 1.13.0 (including) | 1.13.0 (including) |
| Nextcloud_files_automated_tagging | Nextcloud | 1.16.0 (including) | 1.16.0 (including) |
| Nextcloud_server | Nextcloud | 21.0.0 (including) | 21.0.9.11 (excluding) |
| Nextcloud_server | Nextcloud | 22.0.0 (including) | 22.2.10.11 (excluding) |
| Nextcloud_server | Nextcloud | 23.0.0 (including) | 23.0.12.6 (excluding) |
| Nextcloud_server | Nextcloud | 24.0.0 (including) | 24.0.11 (excluding) |
| Nextcloud_server | Nextcloud | 25.0.0 (including) | 25.0.5 (excluding) |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: