CVE-2020-3921

Name: CVE-2020-3921
Creator: NVD / NIST
Published: 2020-03-27T04:15:10.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2020-3921 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.71%

48.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

Affected Software

Vendor	Product	Versions
Unisoon	Ultralog Express Firmware	1.4.0

References

https://www.twcert.org.tw/tw/cp-132-3453-442a5-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-3453-442a5-1.htmlThird Party Advisory

Timeline

Published: Mar 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3921?

UltraLog Express device management software stores user’s information in cleartext. Any user can obtain accounts information through a specific page.

How severe is CVE-2020-3921?

CVE-2020-3921 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3921?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3921?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST