CVE-2017-20083 JUNG Smart Visu Server SSH Server backdoor

Medium 5.3 Published 22 Jun 2022 Updated 15 Apr 2025

A backdoor in the SSH server allows local attackers to bypass authentication and gain unauthorized access to the 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-2017-20083?

CVE-2017-20083 is a medium-severity authentication bypass 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, which was classified as critical, was found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832. Affected is an unknown function of the component SSH Server. The manipulation leads to backdoor. An attack has to be approached locally. 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-2017-20083?

It affects 1 product.

Products include Jung-Group Smart Visu Server Firmware.

How do I fix CVE-2017-20083?

No fix has been published for CVE-2017-20083 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-20083 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20083 exists.

Sources

Also known as GHSA-fq59-57fq-x5r3.