CVE-2019-6854

Name: CVE-2019-6854
Creator: NVD / NIST
Published: 2020-01-06T23:15:11.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2019-6854 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. Affected versions in current support includes ClearSCADA 2017 R3, ClearSCADA 2017 R2, and ClearSCADA 2017.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.17%

6.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Schneider-Electric	Clearscada	2017

References

https://www.se.com/ww/en/download/document/SEVD-2019-344-05/Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2019-344-05/Vendor Advisory

Timeline

Published: Jan 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6854?

How severe is CVE-2019-6854?

CVE-2019-6854 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6854?

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-2019-6854?

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

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Source: NVD / NIST