CVE-2020-12030

Emerson WirelessHART Gateway

Description

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.

Remediation

Solution:

  • 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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.29%
Third-Party Advisory cisa.gov
Affected: Emerson Wireless 1410 Gateway
Affected: Emerson Wireless 1420 Gateway
Affected: Emerson Wireless 1552WU Gateway
Published at:
Updated at:

References

Link Tags
https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2020-12030?
CVE-2020-12030 has been scored as a critical severity vulnerability.
How to fix CVE-2020-12030?
To fix CVE-2020-12030: 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.
Is CVE-2020-12030 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12030 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-12030?
CVE-2020-12030 affects Emerson Wireless 1410 Gateway, Emerson Wireless 1420 Gateway, Emerson Wireless 1552WU Gateway.
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