CVE-2023-28999
Fixed in a distro release EPSS <1%CVSS 6.9
Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files. This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.
Products: nextcloud security-advisories
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | nextcloud-desktop | no fix |
| Debian 13 | nextcloud-desktop | 3.9.0-1 |
| Debian 14 | nextcloud-desktop | 3.9.0-1 |
| Ubuntu 20.04 LTS | nextcloud-desktop | no fix |
| Ubuntu 22.04 LTS | nextcloud-desktop | no fix |
| Ubuntu 24.04 LTS | nextcloud-desktop | no fix |
| Ubuntu 25.10 | nextcloud-desktop | no fix |
| Ubuntu 26.04 LTS | nextcloud-desktop | no fix |
| Ubuntu 26.10 | nextcloud-desktop | no fix |