CVE-2019-5620 ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function

Critical 9.8 Published 29 Apr 2020 Updated 17 Sep 2024

Attackers can access critical functions without authentication in ABB MicroSCADA Pro SYS600, potentially leading to unauthorized control or data modification.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-5620?

CVE-2019-5620 is a critical missing authorization vulnerability in ABB MicroSCADA Pro SYS600, published on 29 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.

Weakness: CWE-306

Which versions are affected by CVE-2019-5620?

It affects 1 product.

Products include Hitachienergy Microscada Pro Sys600.

How do I fix CVE-2019-5620?

No fix has been published for CVE-2019-5620 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-2019-5620 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-5620 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-vf53-387h-6jj3.