CVE-2019-5620

Name: CVE-2019-5620
Creator: NVD / NIST
Published: 2020-04-29T23:15:13.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 70.08%

Last modified Jun 17, 2026

CVE-2019-5620 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.. EPSS estimates a 70.08% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

70.08%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hitachienergy	Microscada Pro Sys600	9.3

References

https://www.rapid7.com/db/modules/exploit/windows/scada/abb_wserver_execThird Party Advisory
https://www.rapid7.com/db/modules/exploit/windows/scada/abb_wserver_execThird Party Advisory

Timeline

Published: Apr 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5620?

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

How severe is CVE-2019-5620?

CVE-2019-5620 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 70.08% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5620?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5620?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST