{"id":"CVE-2021-22895","details":"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.","modified":"2026-04-16T04:31:49.187791985Z","published":"2021-06-11T16:15:10.797Z","related":["GHSA-qpgp-vf4p-wcw5"],"references":[{"type":"ADVISORY","url":"https://github.com/nextcloud/desktop/releases/tag/v3.1.3"},{"type":"ADVISORY","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4974"},{"type":"REPORT","url":"https://hackerone.com/reports/903424"},{"type":"FIX","url":"https://github.com/nextcloud/desktop/pull/2926"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/desktop","events":[{"introduced":"0"},{"fixed":"3842d306f950f631482d29466b52667eb2073f1f"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"3.1.3"}]}}],"versions":["v0.0.2","v1.1.0","v1.1.0-beta1","v1.1.2","v1.2.0","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.2.5","v1.3.0-beta1","v1.3.0-beta2","v1.3.0-beta3","v1.4.0","v1.4.0-beta1","v1.4.0-beta2","v1.4.0-rc1","v1.5.0","v1.5.0-beta1","v1.5.0-beta1-2nd","v1.5.0-beta2","v1.5.0-beta3","v1.5.1-rc1","v1.6.0","v1.6.0-beta1","v1.6.0-beta2","v1.6.0-rc1","v1.6.0-rc2","v1.6.0-rc3","v1.8.0-beta1","v1.8.0-beta1a","v2.5.0","v2.5.0-beta1","v2.5.0-beta2","v2.5.0-rc1","v2.5.0-rc2","v2.5.1","v2.5.2","v2.5.2-rc1","v2.5.3-rc1","v2.5.3-rc2","v2.7.0-beta1","v2.7.0-beta2","v2.7.0-beta3","v2.7.0-rc1","v3.1.0","v3.1.0-rc1","v3.1.0-rc2","v3.1.1","v3.1.2"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22895.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}