CVE-2021-38456

Moxa MXview Network Management Software

Description

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

Remediation

Solution:

  • 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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory cisa.gov
Affected: Moxa MXview Network Management Software
Published at:
Updated at:

References

Link Tags
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-38456?
CVE-2021-38456 has been scored as a critical severity vulnerability.
How to fix CVE-2021-38456?
To fix CVE-2021-38456: 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.
Is CVE-2021-38456 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-38456 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-38456?
CVE-2021-38456 affects Moxa MXview Network Management Software.
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