CVE-2021-38395: Honeywell Experion PKS and ACE Controllers Injection

Published Oct 28, 2022
·
Updated

Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to improper neutralization of special elements in output, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition.

Affected Software

11 affected components
Honeywell C200
Honeywell C200E
Honeywell C300 and ACE controllers
Honeywell C200 Firmware
Honeywell C200
Honeywell C200e Firmware
Honeywell C200E
Honeywell C300 Firmware
Honeywell C300
Honeywell Application Control Environment Firmware
Honeywell Application Control Environment

Event History

Oct 28, 2022
CVE Published
via MITRE·01:20 AM
Data Sourced
via MITRE·01:20 AM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-38395?

CVE-2021-38395 is a vulnerability found in Honeywell Experion PKS C200, C200E, C300, and ACE controllers, which allows remote execution of arbitrary code and can cause a denial-of-service condition.

2

How severe is CVE-2021-38395?

CVE-2021-38395 is considered a critical vulnerability with a severity score of 9.8 out of 10.

3

Which software is affected by CVE-2021-38395?

Honeywell Experion PKS C200, C200E, C300, and ACE controllers are affected by CVE-2021-38395.

4

How can an attacker exploit CVE-2021-38395?

An attacker can exploit CVE-2021-38395 by sending specially crafted input to the affected controllers, allowing them to execute arbitrary code remotely.

5

Are there any recommended fixes for CVE-2021-38395?

Yes, it is recommended to apply the necessary patches or updates provided by Honeywell to mitigate CVE-2021-38395.

Contact

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