The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ow…

published 2021-08-13 5y ago modified 2026-06-17 4mo ago also EUVD-2021-25061

cvss: 9.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.

Patch / fix

fixed in 1 links 1

netless flat_server 2021-07-30

github.com/netless-io/flat-server@425aa97 commit

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Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:P/A:N

References

github.com /netless-io/flat-server/commit/425aa970f6366874c61aa1466527fced5501e476
patch, third-party-advisory

Sources

CVE List CVE-2021-38621
NVD CVE-2021-38621

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