CVE-2021-35961

Name: CVE-2021-35961
Creator: NVD / NIST
Published: 2021-07-16T16:15:10.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.19%

Last modified Jun 17, 2026

CVE-2021-35961 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Dr. ID Door Access Control and Personnel Attendance Management system uses the hard-code admin default credentials that allows remote attackers to access the system through the default password and obtain the highest permission.. EPSS estimates a 2.19% chance of exploitation in the next 30 days.

Description

Dr. ID Door Access Control and Personnel Attendance Management system uses the hard-code admin default credentials that allows remote attackers to access the system through the default password and obtain the highest permission.

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

2.19%

80.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Secom	Dr.Id Access Control	< 3.4.0.0.3.12_20210525

References

https://www.chtsecurity.com/news/2e4e69d5-2e32-4f73-ac7e-a66432e020e4Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4905-c99ac-1.htmlThird Party Advisory
https://www.chtsecurity.com/news/2e4e69d5-2e32-4f73-ac7e-a66432e020e4Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4905-c99ac-1.htmlThird Party Advisory

Timeline

Published: Jul 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35961?

How severe is CVE-2021-35961?

CVE-2021-35961 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.19% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35961?

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-2021-35961?

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

Scan your code now

Source: NVD / NIST