CVE-2020-12851 Path traversal in n/a

High 8.1 Published Updated

Authenticated users can overwrite files in other users' folders via malicious ZIP uploads, requiring an upgrade to Pydio Cells.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-12851?

CVE-2020-12851 is a high-severity path traversal vulnerability in n/a, published on 4 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Pydio Cells 2.0.4 allows an authenticated user to write or overwrite existing files in another user’s personal and cells folders (repositories) by uploading a custom generated ZIP file and leveraging the file extraction feature present in the web application. The extracted files will be placed in the targeted user folders.

Weakness: CWE-22

Which versions are affected by CVE-2020-12851?

It affects 1 product.

Products include Pydio Cells.

How do I fix CVE-2020-12851?

No fix has been published for CVE-2020-12851 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-12851 being exploited?

There is no known exploitation of CVE-2020-12851 in the wild and no public exploit code.

Sources

Also known as GHSA-454v-7vh4-hcxm.

Is CVE-2020-12851 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free