CVE-2019-6855: High severity ecostruxure control expert vulnerability

Published Jan 6, 2020
·
Updated

Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.

Affected Software

45 affected components
Schneider-electric Ecostruxure Control Expert<14.1
Schneider-electric Ecostruxure Control Expert=14.1
Schneider-electric Unity Pro
Schneider-electric Modicon M580 Bmep584040 Firmware<3.10
Schneider-electric Modicon M580 Bmep584040
Schneider-electric Modicon M580 Bmeh584040 Firmware<3.10
Schneider-electric Modicon M580 Bmeh584040
Schneider-electric Modicon M580 Bmep586040 Firmware<3.10
Schneider-electric Modicon M580 Bmep586040
Schneider-electric Modicon M580 Bmeh586040 Firmware<3.10
Schneider-electric Modicon M580 Bmeh586040
Schneider-electric Modicon M580 Bmep581020 Firmware<3.10
Schneider-electric Modicon M580 Bmep581020
Schneider-electric Modicon M580 Bmep582020 Firmware<3.10
Schneider-electric Modicon M580 Bmep582020
Schneider-electric Modicon M580 Bmep582040 Firmware<3.10
Schneider-electric Modicon M580 Bmep582040
Schneider-electric Modicon M580 Bmep583020 Firmware<3.10
Schneider-electric Modicon M580 Bmep583020
Schneider-electric Modicon M580 Bmep583040 Firmware<3.10
Schneider-electric Modicon M580 Bmep583040
Schneider-electric Modicon M580 Bmep584020 Firmware<3.10
Schneider-electric Modicon M580 Bmep584020
Schneider-electric Modicon M580 Bmep585040 Firmware<3.10
Schneider-electric Modicon M580 Bmep585040
Schneider-electric Modicon M580 Bmeh582040 Firmware<3.10
Schneider-electric Modicon M580 Bmeh582040
Schneider-electric Modicon M580 Bmep584040s Firmware<3.10
Schneider-electric Modicon M580 Bmep584040s
Schneider-electric Modicon M580 Bmeh584040s Firmware<3.10
Schneider-electric Modicon M580 Bmeh584040s
Schneider-electric Modicon M580 Bmeh586040s Firmware<3.10
Schneider-electric Modicon M580 Bmeh586040s
Schneider-electric Modicon M580 Bmep582040s Firmware<3.10
Schneider-electric Modicon M580 Bmep582040s
Schneider-electric Modicon M340 Bmxp3420302 Firmware<3.20
Schneider-electric Modicon M340 Bmxp3420302
Schneider-electric Modicon M340 Bmxp342020 Firmware<3.20
Schneider-electric Modicon M340 Bmxp342020
Schneider-electric Modicon M340 Bmxp342000 Firmware<3.20
Schneider-electric Modicon M340 Bmxp342000
Schneider-electric Modicon M340 Bmxp341000 Firmware<3.20
Schneider-electric Modicon M340 Bmxp341000
Schneider-electric Modicon M340 Bmxp3420102 Firmware<3.20
Schneider-electric Modicon M340 Bmxp3420102

Event History

Jan 6, 2020
CVE Published
via MITRE·10:56 PM
Data Sourced
via MITRE·10:56 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2019-6855?

CVE-2019-6855 is an Incorrect Authorization vulnerability that exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), and Modicon M580 (all versions prior to V3.10).

2

How severe is CVE-2019-6855?

CVE-2019-6855 has a severity rating of 7.3 (High).

3

What software is affected by CVE-2019-6855?

The software affected by CVE-2019-6855 includes EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), and Modicon M580 (all versions prior to V3.10).

4

How can I fix CVE-2019-6855?

To fix CVE-2019-6855, it is recommended to update the affected software to the latest version.

5

Where can I find more information about CVE-2019-6855?

You can find more information about CVE-2019-6855 at the following link: [CVE-2019-6855](https://www.se.com/ww/en/download/document/SEVD-2019-344-02/).

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