CVE-2020-3936

Name: CVE-2020-3936
Creator: NVD / NIST
Published: 2020-03-27T04:15:10.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2020-3936 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Unisoon	Ultralog Express Firmware	1.4.0

References

https://www.twcert.org.tw/tw/cp-132-3451-7d9f0-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-3451-7d9f0-1.htmlThird Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-3936?

UltraLog Express device management interface does not properly filter user inputted string in some specific parameters, attackers can inject arbitrary SQL command.

How severe is CVE-2020-3936?

CVE-2020-3936 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3936?

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-2020-3936?

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

Scan your code now

Source: NVD / NIST