| Name | CVE-2021-22895 |
| Description | Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4974-1 |
| Debian Bugs | 989846 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nextcloud-desktop (PTS) | buster (security), buster, buster (lts) | 2.5.1-3+deb10u2 | fixed |
| bullseye (security), bullseye | 3.1.1-2+deb11u1 | fixed |
| bookworm | 3.7.3-1+deb12u1 | fixed |
| sid, trixie | 3.13.2-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/nextcloud/desktop/pull/2926
https://github.com/nextcloud/desktop/commit/b1ddd0e491b2af0ed040e658d8bcde2a7a61c9fc (stable-3.1)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5