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Vulnerability record · CVE-2021-38454 · published 12 October 2021

CVE-2021-38454: Moxa mxview improper access control vulnerability

Moxa · Mxview

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.

10.0 CVSS 3.1 Critical EPSS 16% · top 3.2% CWE-284 · Improper access controlCWE-22 · Path traversal
10.0CVSS 3.1 base score, v2 7.5
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03 Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-03 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-40390Moxa mxview hard-coded credentials vulnerabilityAn authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. A specially-crafted HTTP request can …EPSS 2.5%9.8CVE-2021-38456Moxa mxview hard-coded password vulnerabilityA 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 …EPSS 1.2%9.8CVE-2021-38458Moxa mxview injection vulnerabilityA 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 crit…EPSS 1.8%9.1CVE-2021-38452Moxa mxview path traversal vulnerabilityA 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 crit…EPSS 1.7%7.8CVE-2020-13536Moxa mxview incorrect default permissions vulnerabilityAn exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. Depending on t…EPSS 0.55%7.8CVE-2020-13537Moxa mxview incorrect default permissions vulnerabilityAn exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. Depending on t…EPSS 0.54%7.8CVE-2017-14030Moxa mxview unquoted search path vulnerabilityAn issue was discovered in Moxa MXview v2.8 and prior. The unquoted service path escalation vulnerability could allow an authorized user with file ac…EPSS 0.37%7.5CVE-2021-40392Moxa mxview cleartext transmission vulnerabilityAn information disclosure vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. Network sniffing can lead to a discl…EPSS 0.60%

Source: NIST National Vulnerability Database (record CVE-2021-38454), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.