CVEvulnerability
CVE-2021-22895
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-06-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-295
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.
Affected configurations
• nextcloud desktop (< 3.1.3)
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- https://github.com/nextcloud/desktop/pull/2926 Patch, Third Party Advisory
- https://github.com/nextcloud/desktop/releases/tag/v3.1.3 Release Notes, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5 Third Party Advisory
- https://hackerone.com/reports/903424 Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4974 Third Party Advisory
- https://github.com/nextcloud/desktop/pull/2926 Patch, Third Party Advisory
- https://github.com/nextcloud/desktop/releases/tag/v3.1.3 Release Notes, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5 Third Party Advisory
- https://hackerone.com/reports/903424 Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4974 Third Party Advisory