CVE-2017-20084 JUNG Smart Visu Server KNX Group Address backdoor

Medium 5.3 Published 22 Jun 2022 Updated 15 Apr 2025

A backdoor in the KNX Group Address component allows local attackers to bypass security controls in JUNG Smart Visu Server.

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-2017-20084?

CVE-2017-20084 is a medium-severity vulnerability in JUNG Smart Visu Server, published on 22 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832 and classified as critical. Affected by this vulnerability is an unknown functionality of the component KNX Group Address. The manipulation leads to backdoor. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.900 is able to address this issue. It is recommended to upgrade the affected component.

Weakness: CWE-912

Which versions are affected by CVE-2017-20084?

It affects 1 product.

Products include Jung-Group Smart Visu Server Firmware.

How do I fix CVE-2017-20084?

No fix has been published for CVE-2017-20084 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-20084 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20084 exists.

Sources

Also known as GHSA-qxqf-c7f2-6c7v.