CVE-2021-38621 Missing authorization in n/a
Attackers can delete files belonging to other users due to improper ownership checks in the cloud storage removal API.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38621?
CVE-2021-38621 is a critical missing authorization vulnerability in n/a, published on 13 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership.
Which versions are affected by CVE-2021-38621?
It affects 1 product.
Products include Netless Flat Server.
How do I fix CVE-2021-38621?
No fix has been published for CVE-2021-38621 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-38621 being exploited?
There is no known exploitation of CVE-2021-38621 in the wild and no public exploit code.
Sources
Also known as GHSA-c263-2vpx-pv8p.