CVE-2020-3935

Name: CVE-2020-3935
Creator: NVD / NIST
Published: 2020-02-11T12:15:21.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2020-3935 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, stores users’ information by cleartext in the cookie, which divulges password to attackers.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, stores users’ information by cleartext in the cookie, which divulges password to attackers.

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

0.93%

55.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

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-139-3319-d7b65-2.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-139-3319-d7b65-2.htmlThird Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-3935?

TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, stores users’ information by cleartext in the cookie, which divulges password to attackers.

How severe is CVE-2020-3935?

CVE-2020-3935 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3935?

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-2020-3935?

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

Scan your code now

Source: NVD / NIST