CVE-2021-28817 TIBCO Rendezvous Windows Platform Installation vulnerability

High 8.8 Published 23 Mar 2021 Updated 17 Sep 2024

A local low-privileged attacker can exploit insecure file permissions in TIBCO Rendezvous to execute malicious code with elevated privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-28817?

CVE-2021-28817 is a high-severity vulnerability in TIBCO Rendezvous, published on 23 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Windows Installation component of TIBCO Software Inc.'s TIBCO Rendezvous and TIBCO Rendezvous Developer Edition contains a vulnerability that theoretically allows a low privileged attacker with local access on some versions of the Windows operating system to insert malicious software. The affected component can be abused to execute the malicious software inserted by the attacker with the elevated privileges of the component. This vulnerability results from a lack of access restrictions on certain files and/or folders in the installation. Affected releases are TIBCO Software Inc.'s TIBCO Rendezvous: versions 8.5.1 and below and TIBCO Rendezvous Developer Edition: versions 8.5.1 and below.

Which versions are affected by CVE-2021-28817?

It affects 1 product.

Products include Tibco Rendezvous.

How do I fix CVE-2021-28817?

No fix has been published for CVE-2021-28817 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-28817 being exploited?

There is no known exploitation of CVE-2021-28817 in the wild and no public exploit code.

Sources

Also known as GHSA-q22m-grh7-c8wj.