CVE-2021-35962 | TAIWAN SECOM CO., LTD., Door Access Control and Personnel Attendance Management system - Path Traversal

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.

Published: 2021-07-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-35962 is rated Moderate Risk (57.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.78%). Core evidence: EPSS rose +1.09% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-35962

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.69% 1.78% +1.09%
2 2026-03-07 0.51% 0.69% +0.18%
3 2025-03-30 0.51%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-35962

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2021-35962

Affected software / configurations for CVE-2021-35962

Vendor Product Version Raw CPE
secom door_access_control <= 3.3.2 cpe:2.3:a:secom:door_access_control:*:*:*:*:*:*:*:*
secom personnel_attendance_system <= 3.4.0.0.3.12_20210525 cpe:2.3:a:secom:personnel_attendance_system:*:*:*:*:*:*:*:*

References for CVE-2021-35962

cvelogic Threat Intelligence