Nextcloud Server is a self hosted personal cloud system. Private shared calendar events recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nextcloud_server | Nextcloud | 27.0.0 (including) | 27.1.10 (excluding) |
| Nextcloud_server | Nextcloud | 28.0.0 (including) | 28.0.6 (including) |
| Nextcloud_server | Nextcloud | 28.0.0 (including) | 28.0.6 (excluding) |
| Nextcloud_server | Nextcloud | 29.0.0 (including) | 29.0.0 (including) |
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: