What is CVE-2018-0669?

CVE-2018-0669 is a critical-severity vulnerability in Micronet Corporation Inplc-Rt, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-01-09.

How severe is CVE-2018-0669?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Micronet Corporation Inplc-Rt

CVE-2018-0669

INplc-RT 3.08 and earlier allows remote attackers to bypass authentication to execute an arbitrary command through the protocol-compliant traffic. This is a different vulnerability than CVE-2018-0670.

Vulnerability class: Broken Authentication

Published 2019-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Micronet Corporation Inplc-Rt — versions 3.08 and earlier
Mnc Inplc-Rt

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.mnc.co.jp/INplc/info_20180907_E.htm (Vendor Advisory)
jvn.jp/en/jp/JVN59624986/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-0669?: CVE-2018-0669 is a critical-severity vulnerability in Micronet Corporation Inplc-Rt, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-01-09.
How severe is CVE-2018-0669?: Critical severity. CVSS v3 base score is 9.8 out of 10.