VDB
CVE-2021-22895
CVE-2021-22895
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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.
EPSS 1.04% · 63.8th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
1.04%
63.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | nextcloud-desktop | 2.6.0-1, 2.6.1-2, 2.6.2-1 |
| Ubuntu:24.04:LTS | nextcloud-desktop | 0, 3.9.0-1, 3.11.0-1.1build4 |
| Ubuntu:25.10 | nextcloud-desktop | 3.16.0-1, 3.16.2-1, 3.16.4-1 |
| Ubuntu:22.04:LTS | nextcloud-desktop | 3.2.3-0ubuntu1, 3.3.5-1, 3.3.5-1ubuntu1 |
Timeline
- CVE Published
- Jun 2, 2021 PoC Published
- Jun 12, 2021 EPSS Score
- Aug 14, 2021 EPSS Score
- Oct 14, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 14, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 17, 2022 EPSS Score
- Jun 17, 2022 EPSS Score
- Oct 19, 2022 EPSS Score
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5 third-party-advisory
- https://hackerone.com/reports/903424 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-22895 third-party-advisory
- https://ubuntu.com/security/CVE-2021-22895 advisory
- https://github.com/nextcloud/desktop/pull/2926 fix
- https://github.com/nextcloud/desktop/commit/b1ddd0e491b2af0ed040e658d8bcde2a7a61c9fc fix
- https://github.com/nextcloud/desktop/releases/tag/v3.1.3 fix