CVE-2021-38621
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat...
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
- Record
CVE-2021-38621- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
- Record
CVE-2021-38621- Updated
- 2026-11-02
EUVDEUVD-2021-25061 No score
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
- Record
EUVD-2021-25061- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c263-2vpx-pv8p
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat...
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
- Record
GHSA-c263-2vpx-pv8p- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
- Record
CVE-2021-38621- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38621 is a critical vulnerability (CVSS 9.1) in Netless Flat Server, published August 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.