CVE-2021-22784 Missing authorization in C-Bus Toolkit v1.15.8 and prior

Medium 5.7 Published Updated

An attacker can use a crafted webpage to gain remote access to the system due to missing authentication for critical functions in C-Bus Toolkit.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-22784?

CVE-2021-22784 is a medium-severity missing authorization vulnerability in C-Bus Toolkit v1.15.8 and prior, published on 21 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1.15.8 and prior that could allow an attacker to use a crafted webpage to obtain remote access to the system.

Weakness: CWE-306

Which versions are affected by CVE-2021-22784?

It affects 1 product.

Products include Schneider-Electric C-Bus Toolkit.

How do I fix CVE-2021-22784?

No fix has been published for CVE-2021-22784 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-2021-22784 being exploited?

There is no known exploitation of CVE-2021-22784 in the wild and no public exploit code.

Sources

Also known as GHSA-qr38-4cpx-4vc3.

Is CVE-2021-22784 in your software?

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