HOMEVULNERABILITIESCVE-2018-18391
HIGH

CVE-2018-18391

NVD-CWE-noinfoPublished: October 19, 2018· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

User Privilege Escalation in Moxa ThingsPro IIoT Gateway and Device Management Software Solutions version 2.1.

NVD Source

Technical Analysis

CVE-2018-18391 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

moxa1 product(s)
thingspro
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2018-18391
CVSS Score8.8 / 10
SeverityHIGH
CISA KEVNo
Affected1 vendor(s)
PublishedOct 19, 2018

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-18391 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.