CVE-2020-13537 — HIGH (7.8)

Vulnerability 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 and among them the mosquitto executable is also run.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Moxa	Mxview	3.1.8

Related Weaknesses (CWE)

CWE-276

References

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

FAQ

What is CVE-2020-13537?

CVE-2020-13537 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 t...

How severe is CVE-2020-13537?

CVE-2020-13537 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13537?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Mxview.