What is CVE-2021-35962?

CVE-2021-35962 is a high-severity vulnerability in Secom Door Access Control, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-07-16.

How severe is CVE-2021-35962?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Secom Door Access Control

CVE-2021-35962

Specific page parameters in Dr. ID Door Access Control and Personnel Attendance Management system does not filter special characters. Remote attackers can apply Path Traversal means to download credential files from the system without permission.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-07-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Secom Door Access Control
Secom Personnel Attendance System
Taiwan Secom Co., Ltd., Door Access Control And Personnel Attendance Management System — versions unspecified

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.twcert.org.tw/tw/cp-132-4906-89381-1.html (Third Party Advisory)
www.chtsecurity.com/news/d7ec2db9-12dd-439f-b014-b956ce231054 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-35962?: CVE-2021-35962 is a high-severity vulnerability in Secom Door Access Control, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-07-16.
How severe is CVE-2021-35962?: High severity. CVSS v3 base score is 7.5 out of 10.