9.8
CRITICAL
CVE-2021-38456
Moxa MXview Hard-Coded Password Vulnerability
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

INFO

Published Date :

Oct. 12, 2021, 2:15 p.m.

Last Modified :

April 25, 2022, 6 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-38456 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Moxa mxview
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-38456.

URL Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03 Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-38456 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-38456 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Apr. 25, 2022

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Nov. 04, 2021

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 28, 2021

    Action Type Old Value New Value
    Changed Description A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow an attacker to create or overwrite critical files used to execute code, such as programs or libraries. 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
  • Reanalysis by [email protected]

    Oct. 19, 2021

    Action Type Old Value New Value
    Removed CWE NIST CWE-22
    Added CWE NIST CWE-798
  • Initial Analysis by [email protected]

    Oct. 19, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03 Third Party Advisory, US Government Resource
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:moxa:mxview:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (including) 3.2.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-38456 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-38456 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.30 }} 0.02%

score

0.70232

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability