CVE-2020-12030: Emerson WirelessHART Gateway

Published Sep 29, 2021
·
Updated

There is a flaw in the code used to configure the internal gateway firewall when the gateway's VLAN feature is enabled. If a user enables the VLAN setting, the internal gateway firewall becomes disabled resulting in exposure of all ports used by the gateway.

Affected Software

9 affected components
Emerson Wireless 1410 Gateway, revisions 4.6.43 to 4.7.84
Emerson Wireless 1420 Gateway, revisions 4.6.43 to 4.7.84
Emerson Wireless 1552WU Gateway, revisions 4.6.43 to 4.7.84
Emerson Wireless 1410 Gateway Firmware>=4.6.43<=4.7.84
Emerson Wireless 1410 Gateway
Emerson Wireless 1420 Gateway Firmware>=4.6.43<=4.7.84
Emerson Wireless 1420 Gateway
Emerson Wireless 1552wu Gateway Firmware>=4.6.43<=4.7.84
Emerson Wireless 1552wu Gateway

Remediation

Information

Emerson recommends end users update the firmware on VLAN-enabled Version 4 gateways as soon as possible. If the VLAN feature is not enabled, no immediate action is necessary. Please see Emerson’s cybersecurity notification alert number EMR.RMT20001-1 for more information.

Event History

Sep 29, 2021
CVE Published
via MITRE·07:36 PM
Data Sourced
via MITRE·07:36 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-12030?

CVE-2020-12030 is a vulnerability in the code used to configure the internal gateway firewall when the gateway's VLAN feature is enabled, which can result in the exposure of all ports used by the gateway.

2

How severe is CVE-2020-12030?

CVE-2020-12030 has a severity rating of critical with a value of 10.

3

Which software is affected by CVE-2020-12030?

Emerson Wireless 1410 Gateway Firmware (versions 4.6.43 to 4.7.84), Emerson Wireless 1420 Gateway Firmware (versions 4.6.43 to 4.7.84), and Emerson Wireless 1552wu Gateway Firmware (versions 4.6.43 to 4.7.84) are affected by CVE-2020-12030.

4

How can I fix CVE-2020-12030?

To fix CVE-2020-12030, users should update to a version of the affected firmware that is beyond version 4.7.84.

5

Where can I find more information about CVE-2020-12030?

More information about CVE-2020-12030 can be found on the official US-CERT website at https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02.

Company

Resources

Contact

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