CVE-2021-35949 Missing authorization in n/a

Medium 5.3 Published Updated

Attackers can bypass permission checks on upload-only shares to list metadata, exposing sensitive information in ownCloud Server.

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-2021-35949?

CVE-2021-35949 is a medium-severity missing authorization vulnerability in Owncloud Owncloud, published on 7 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The shareinfo controller in the ownCloud Server before 10.8.0 allows an attacker to bypass the permission checks for upload only shares and list metadata about the share.

Weakness: CWE-863

Which versions are affected by CVE-2021-35949?

It affects 1 product.

Products include Owncloud Owncloud.

How do I fix CVE-2021-35949?

No fix has been published for CVE-2021-35949 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-2021-35949 being exploited?

There is no known exploitation of CVE-2021-35949 in the wild and no public exploit code.

All Owncloud Owncloud vulnerabilities

Sources

Also known as GHSA-w8px-4rp9-9f6w.

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