{"id":"CVE-2021-35946","aliases":["EUVD-2021-22581","GHSA-9gjf-xc3f-w2j8"],"status":"published","title":"A receiver of a federated share with access to the database with ownCloud version before 10.8...","description":"A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01482,"percentile":0.74179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-09-07T19:04:19Z","modified":"2026-10-24T10:30:52Z","products":[{"vendor":"owncloud","product":"owncloud"}],"references":[{"url":"https://doc.owncloud.com/server/admin_manual/release_notes.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://owncloud.com/security-advisories/cve-2021-35946/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35946"},{"url":"https://github.com/advisories/GHSA-9gjf-xc3f-w2j8"}],"sources":{"cve":[{"id":"CVE-2021-35946","description":"A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.","status":"published","published":"2021-09-07T19:04:19Z","modified":"2024-08-04T00:47:42.153Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-22581","description":"A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.","status":"published","published":"2021-09-07T19:04:19Z","modified":"2024-08-04T00:47:42Z","updated_at":"2026-11-03T03:24:29.877227Z"}],"ghsa":[{"id":"GHSA-9gjf-xc3f-w2j8","title":"A receiver of a federated share with access to the database with ownCloud version before 10.8...","description":"A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.","status":"published","published":"2022-05-24T19:13:06Z","modified":"2023-01-30T05:01:55Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:46:31.204916Z"}],"nvd":[{"id":"CVE-2021-35946","description":"A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.","status":"published","published":"2021-09-07T20:15:07.673Z","modified":"2026-06-17T03:57:58.897Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:58.05696Z"}],"osv":[{"id":"CVE-2021-35946","description":"A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.","status":"published","published":"2021-09-07T20:15:07.673Z","modified":"2026-10-24T10:30:52.308382027Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:20.13324Z"}]}}