CVE-2021-42536: Emerson WirelessHART Gateway

Published Oct 22, 2021
·
Updated

The affected product is vulnerable to a disclosure of peer username and password by allowing all users access to read global variables.

Affected Software

15 affected componentsFixes available
All of the following
Emerson Wireless 1410 Gateway Firmware<4.7.94
Emerson Wireless 1410 Gateway
All of the following
Emerson Wireless 1410d Gateway Firmware<4.7.94
Emerson Wireless 1410d Gateway
All of the following
Emerson Wireless 1420 Gateway Firmware<4.7.94
Emerson Wireless 1420 Gateway
Emerson Wireless 1410 Gateway Firmware<4.7.94
Emerson Wireless 1410 Gateway
Emerson Wireless 1410d Gateway Firmware<4.7.94
Emerson Wireless 1410d Gateway
Emerson Wireless 1420 Gateway Firmware<4.7.94
Emerson Wireless 1420 Gateway
Emerson WirelessHART 1410 Gateway<4.7.94
4.7.94
Emerson WirelessHART 1410D Gateway<4.7.94
4.7.94
Emerson WirelessHART 1420 Gateway<4.7.94
4.7.94

Remediation

Patch Available

https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02

Information

Emerson recommends upgrading to v4.7.105 to address these vulnerabilities. Users can visit the Emerson Gate Firmware site for and download instructions. If affected users do not yet have a free Guardian account, please see the updated Emerson Gateway Firmware download process by following the link above and viewing the download guide.

Event History

Oct 22, 2021
CVE Published
via MITRE·01:23 PM
Data Sourced
via MITRE·01:23 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-42536?

CVE-2021-42536 is a vulnerability in Emerson Wireless 1410 and 1420 Gateway Firmware that allows all users to read global variables, leading to a disclosure of peer username and password.

2

What is the severity of CVE-2021-42536?

The severity of CVE-2021-42536 is high with a CVSS score of 6.5.

3

Which software versions are affected by CVE-2021-42536?

Emerson Wireless 1410 Gateway Firmware versions up to and excluding 4.7.94 and Emerson Wireless 1420 Gateway Firmware versions up to and excluding 4.7.94 are affected by CVE-2021-42536.

4

How does CVE-2021-42536 affect Emerson Wireless 1410 and 1420 Gateways?

CVE-2021-42536 allows all users to read global variables, which can lead to a disclosure of peer username and password.

5

Where can I find more information about CVE-2021-42536?

You can find more information about CVE-2021-42536 on the US-CERT website at https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02.

Company

Resources

Contact

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