CVE-2020-12103 Path traversal in n/a

High 7.7 Published Updated

Authenticated users can create backup copies of files outside the intended directory scope via the ajax file backup functionality.

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-2020-12103?

CVE-2020-12103 is a high-severity path traversal vulnerability in n/a, published on 28 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Tiny File Manager 2.4.1 there is a vulnerability in the ajax file backup copy functionality which allows authenticated users to create backup copies of files (with .bak extension) outside the scope in the same directory in which they are stored.

Weakness: CWE-22

Which versions are affected by CVE-2020-12103?

It affects 1 product.

Products include Prasathmani Tiny File Manager.

How do I fix CVE-2020-12103?

No fix has been published for CVE-2020-12103 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-2020-12103 being exploited?

There is no known exploitation of CVE-2020-12103 in the wild and no public exploit code.

Sources

Also known as GHSA-c3vp-6j3v-43r7.

Is CVE-2020-12103 in your software?

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

Check your SBOMs for free