CVE-2021-42538: Emerson WirelessHART Gateway

Published Oct 22, 2021
·
Updated

The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.

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
Data Sourced
via NVD·02:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-42538?

CVE-2021-42538 is a vulnerability that allows an attacker to perform parameter injection via passphrase in the affected product.

2

What is the severity of CVE-2021-42538?

The severity of CVE-2021-42538 is high, with a severity value of 8.8.

3

Which products are affected by CVE-2021-42538?

The affected products include Emerson Wireless 1410 Gateway Firmware (up to version 4.7.94), Emerson Wireless 1410d Gateway Firmware (up to version 4.7.94), and Emerson Wireless 1420 Gateway Firmware (up to version 4.7.94).

4

How does the vulnerability in CVE-2021-42538 work?

The vulnerability in CVE-2021-42538 allows an attacker to supply uncontrolled input via passphrase, leading to parameter injection.

5

Is there a fix available for CVE-2021-42538?

It is recommended to update the affected product to a version beyond 4.7.94 to mitigate CVE-2021-42538.

Company

Resources

Contact

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