Nextcloud Mail is a mail app in Nextcloud. A blind SSRF attack allowed to send GET requests to services running in the same web server. It is recommended that the Mail app is update to version 3.02, 2.2.5 or 1.15.3.
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nextcloud | 1.13.0 (including) | 1.15.3 (excluding) | |
| Nextcloud | 2.2.0 (including) | 2.2.5 (excluding) | |
| Nextcloud | 2.3.0 (including) | 3.0.2 (excluding) |