How severe is CVE-2021-38456?

CVE-2021-38456 has a severity rating of 9.8 (critical).

What is affected by CVE-2021-38456?

Moxa MXview Network Management software Versions 3.x to 3.2.2 are affected by CVE-2021-38456.

How can an attacker exploit CVE-2021-38456?

An attacker can exploit CVE-2021-38456 by gaining access through accounts using default passwords.

Is there a fix available for CVE-2021-38456?

Yes, it is recommended to update to a version higher than 3.2.2 to fix CVE-2021-38456.

Vulnerability/
CVE-2021-38456

critical

9.8

CWE

798 259

12/10/2021

17/9/2024

CVE-2021-38456: Moxa MXview Network Management Software

Q: What is CVE-2021-38456?

CVE-2021-38456 is a use of hard-coded password vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2.

First published: Tue Oct 12 2021(Updated: )

A use of hard-coded password vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow an attacker to gain access through accounts using default passwords

Credit: ics-cert@hq.dhs.gov

Affected Software	Affected Version	How to fix
Moxa MXview	>=3.0<=3.2.2
Moxa MXview Network Management Software: Versions 3.x to 3.2.2

Remedy

Moxa recommends users do the following: Upgrade to software package v3.2.4 or higher. Users should change their Windows password regularly and use a firewall. If users need to use a multiple-site function, Moxa recommends a firewall to block Port 8883. If users do not have this requirement, Moxa suggests using the firewall to assign the Accessible IP of MXview at the client site.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

ICSA-21-278-03

Frequently Asked Questions

What is CVE-2021-38456?
CVE-2021-38456 is a use of hard-coded password vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2.
How severe is CVE-2021-38456?
CVE-2021-38456 has a severity rating of 9.8 (critical).
What is affected by CVE-2021-38456?
Moxa MXview Network Management software Versions 3.x to 3.2.2 are affected by CVE-2021-38456.
How can an attacker exploit CVE-2021-38456?
An attacker can exploit CVE-2021-38456 by gaining access through accounts using default passwords.
Is there a fix available for CVE-2021-38456?
Yes, it is recommended to update to a version higher than 3.2.2 to fix CVE-2021-38456.

collector/nvd-index
agent/type
agent/weakness
collector/mitre-cve
source/MITRE
agent/references
agent/author
agent/severity
agent/last-modified-date
agent/remedy
agent/softwarecombine
agent/title
agent/description
agent/first-publish-date
agent/tags
agent/event
collector/ics-cert-advisory
source/ICS
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/moxa
canonical/moxa mxview
version/moxa mxview/3.0
version/moxa mxview/3.2.2
canonical/moxa mxview network management software: versions 3.x to 3.2.2

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