{"id":"CVE-2021-38621","aliases":["EUVD-2021-25061","GHSA-c263-2vpx-pv8p"],"status":"published","title":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat...","description":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00986,"percentile":0.62877,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-08-13T14:05:14Z","modified":"2026-10-20T10:54:52Z","products":[{"vendor":"netless","product":"flat_server"}],"references":[{"url":"https://github.com/netless-io/flat-server/commit/425aa970f6366874c61aa1466527fced5501e476","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38621"},{"url":"https://github.com/advisories/GHSA-c263-2vpx-pv8p"}],"sources":{"cve":[{"id":"CVE-2021-38621","description":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.","status":"published","published":"2021-08-13T14:05:14Z","modified":"2024-08-04T01:44:23.543Z","updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25061","description":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.","status":"published","published":"2021-08-13T14:05:14Z","modified":"2024-08-04T01:44:23Z","updated_at":"2026-11-03T03:24:24.781045Z"}],"ghsa":[{"id":"GHSA-c263-2vpx-pv8p","title":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat...","description":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.","status":"published","published":"2022-05-24T19:11:07Z","modified":"2023-01-27T05:03:05Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:42:10.172069Z"}],"nvd":[{"id":"CVE-2021-38621","description":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.","status":"published","published":"2021-08-13T15:15:07.16Z","modified":"2026-06-17T04:02:27.6Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:56.943671Z"}],"osv":[{"id":"CVE-2021-38621","description":"The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.","status":"published","published":"2021-08-13T15:15:07.16Z","modified":"2026-10-20T10:54:52.897583858Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}