Auth bypass in Abb Microscada Pro Sys600

CVE-2019-5620

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

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.709 (99.4th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-5620: rose from 0.701 to 0.709.

EPSS over last 30 days · oldest: 0.701 · newest: 0.709 · change: +0.008

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5620?
CVE-2019-5620 is a critical-severity vulnerability in Abb Microscada Pro Sys600, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-04-29.
How severe is CVE-2019-5620?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-5620 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.