CVE-2021-22718 Path traversal in C-Bus Toolkit V1.15.7 and prior

High 7.8 Published Updated

A path traversal vulnerability in C-Bus Toolkit allows remote code execution when restoring project files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-22718?

CVE-2021-22718 is a high-severity path traversal vulnerability in C-Bus Toolkit V1.15.7 and prior, published on 13 Apr 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when restoring project files.

Weakness: CWE-22

Which versions are affected by CVE-2021-22718?

It affects 1 product.

Products include Schneider-Electric C-Bus Toolkit.

How do I fix CVE-2021-22718?

No fix has been published for CVE-2021-22718 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-2021-22718 being exploited?

There is no known exploitation of CVE-2021-22718 in the wild and no public exploit code.

Sources

Also known as GHSA-8cr8-7qx4-r8x5.

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