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Vulnerability record · CVE-2020-13536 · published 5 November 2020

CVE-2020-13536: Moxa mxview incorrect default permissions vulnerability

Moxa · Mxview

An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. Depending on the vector chosen, an attacker can either add code to a script or replace a binary. By default MXViewService, which starts as a NT SYSTEM authority user executes a series of Node.Js scripts to start additional application functionality.

7.8 CVSS 3.1 High EPSS 0.55% · top 56.2% CWE-276 · Incorrect default permissions
7.8CVSS 3.1 base score, v2 7.2
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. Depending on the vector chosen, an attacker can either add code to a script or replace a binary. By default MXViewService, which starts as a NT SYSTEM authority user executes a series of Node.Js scripts to start additional application functionality.

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

Affected products

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

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1148 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1148 ExploitThird Party Advisory

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Related vulnerabilities

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

10.0CVE-2021-38454Moxa mxview improper access control 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 16%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-2020-13537Moxa 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-2020-13536), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.