CVE-2020-8153 Missing authorization in Nextcloud Groupfolders

What is CVE-2020-8153?

CVE-2020-8153 is a high-severity missing authorization vulnerability in Fedoraproject Fedora, published on 12 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper access control in Groupfolders app 4.0.3 allowed to delete hidden directories when when renaming an accessible item to the same name.

Weakness: CWE-732, CWE-284

Which versions are affected by CVE-2020-8153?

It affects 2 products.

Products include Fedoraproject Fedora, Nextcloud Group Folders.

How do I fix CVE-2020-8153?

No fix has been published for CVE-2020-8153 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-2020-8153 being exploited?

There is no known exploitation of CVE-2020-8153 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4mxw-7xgq-cm5c.