
CVE catalog
CVE-2021-22895
nextcloud-desktop: CVE-2021-22895
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.04% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | nextcloud-desktop | sid | 35.0.0-1 | fixed |
| Debian | nextcloud-desktop | forky | 35.0.0-1 | fixed |
| Debian | nextcloud-desktop | trixie | 3.16.7-1~deb13u1 | fixed |
| Debian | nextcloud-desktop | bookworm | 3.7.3-1+deb12u2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nextcloud-desktop | source | sid | 3.3.1-1 | not yet assigned | Not reported | [989846] |
| Debian | nextcloud-desktop | source | forky | 3.3.1-1 | not yet assigned | Not reported | [989846] |
| Debian | nextcloud-desktop | source | trixie | 3.3.1-1 | not yet assigned | Not reported | [989846] |
| Debian | nextcloud-desktop | source | bookworm | 3.3.1-1 | not yet assigned | Not reported | [989846] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [caja-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [dolphin-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· amd64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· arm64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [libnextcloudsync0]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· amd64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· arm64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [libnextcloudsync-dev]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· amd64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· arm64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nautilus-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nemo-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nextcloud-desktop]Fixed
Details (2)
3.7.3-1+deb12u2· amd64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· arm64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nextcloud-desktop-cmd]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· amd64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· arm64 · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nextcloud-desktop-common]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nextcloud-desktop-doc]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
- [nextcloud-desktop-l10n]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
3.7.3-1+deb12u2· all · bookwormFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · bookworm; dsa · nextcloud-desktop · debian · 12
[Debian 13 (Trixie)]
- [caja-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [dolphin-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· amd64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· arm64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [libnextcloudsync0t64]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· amd64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· arm64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [libnextcloudsync-dev]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· amd64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· arm64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [nautilus-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [nemo-nextcloud]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [nextcloud-desktop]Fixed
Details (2)
3.16.7-1~deb13u1· amd64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· arm64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [nextcloud-desktop-cmd]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· amd64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· arm64 · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
- [nextcloud-desktop-common]Fixed
Source package: [nextcloud-desktop]
Details (2)
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
3.16.7-1~deb13u1· all · trixieFixed · Fixed:
3.3.1-1dsa · nextcloud-desktop · debian · 13
Observed: