CVE-2020-12030 - CVE House
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Status published Critical CVE-2020-12030

Emerson WirelessHART Gateway

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Emerson discovered this vulnerability and reported it to CISA once there was a solution.

Affected Vendor

Affected Software

Wireless 1410 Gateway, Wireless 1420 Gateway, Wireless 1552WU Gateway
Vulnerable Versions:
4.6.43

Timeline

Official Publish: September 29th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)