What is CVE-2020-3920?

CVE-2020-3920 is a high-severity vulnerability in Unisoon Ultralog Express, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2020-03-27.

How severe is CVE-2020-3920?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Unisoon Ultralog Express

CVE-2020-3920

UltraLog Express device management interface does not properly perform access authentication in some specific pages/functions. Any user can access the privileged page to manage accounts through specific system directory.

Vulnerability class: Broken Authentication

EPSS: 0.008 (54.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Unisoon Ultralog Express — versions 1.4.0
Unisoon Ultralog_express
Unisoon Ultralog_express_firmware — versions 1.4.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-3920?: CVE-2020-3920 is a high-severity vulnerability in Unisoon Ultralog Express, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2020-03-27.
How severe is CVE-2020-3920?: High severity. CVSS v3 base score is 8.1 out of 10.