CVE-2020-3934

Name: CVE-2020-3934
Creator: NVD / NIST
Published: 2020-02-11T12:15:21.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.39%

Last modified Jun 17, 2026

CVE-2020-3934 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, contains a vulnerability of Pre-auth SQL Injection, allowing attackers to inject a specific SQL command.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, contains a vulnerability of Pre-auth SQL Injection, allowing attackers to inject a specific 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

1.39%

68.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Secom	Dr.Id Access Control	< 3.3.2
Secom	Dr.Id Attendance System	< 3.3.0.3_20160517

References

https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760bThird Party Advisory
https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bacThird Party Advisory
https://www.twcert.org.tw/en/cp-139-3318-89f76-2.htmlThird Party Advisory
https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760bThird Party Advisory
https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bacThird Party Advisory
https://www.twcert.org.tw/en/cp-139-3318-89f76-2.htmlThird Party Advisory

Timeline

Published: Feb 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3934?

TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, contains a vulnerability of Pre-auth SQL Injection, allowing attackers to inject a specific SQL command.

How severe is CVE-2020-3934?

CVE-2020-3934 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3934?

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-2020-3934?

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

Scan your code now

Source: NVD / NIST