What is CVE-2018-20220?

CVE-2018-20220 is a high-severity vulnerability in Teracue Enc-400 Hdmi, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-03-21.

How severe is CVE-2018-20220?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Teracue Enc-400 Hdmi

CVE-2018-20220

An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. While the web interface requires authentication before it can be interacted with, a large portion of the HTTP endpoints are missing authentication. An attacker is able to view these pages before being authenticated, and some of these pages may disclose sensitive information.

Vulnerability class: Broken Authentication

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.154 (96.7th percentile), scored 2026-10-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.154 · newest: 0.154 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

packetstormsecurity.com/files/151802/Teracue-ENC-400-Command-Injection-Missing-… (VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2019/Feb/48 (Mailing List, Third Party Advisory)
zxsecurity.co.nz/research.html (Not Applicable)

Frequently asked questions

What is CVE-2018-20220?: CVE-2018-20220 is a high-severity vulnerability in Teracue Enc-400 Hdmi, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-03-21.
How severe is CVE-2018-20220?: High severity. CVSS v3 base score is 7.5 out of 10.