High severity · published Nov 5, 2020
CVE-2020-13537
An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation
7.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MX
Mxview · Moxa
3.1.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13537
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1148
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