What’s Vulnerable › Vulnerabilities

CVE-2020-3935: TAIWAN SECOM CO., LTD. – Sensitivity Information Exposure

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-11 · updated 2026-06-17
• Weakness: CWE-312

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.

Affected products

• TAIWAN SECOM CO., LTD., Door Access Control and Personnel Attendance Management system: 3.3.2
• SECOM Dr.ID Attendance system: before 3.3.0.3_20160517 — fixed in 3.3.0.3_20160517

How to fix

Upgrade to a fixed version: SECOM Dr.ID Attendance system 3.3.0.3_20160517. Check the vendor advisory for mitigations.

References

• https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760b
• https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bac
• https://www.twcert.org.tw/en/cp-139-3319-d7b65-2.html
• https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760b
• https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bac
• https://www.twcert.org.tw/en/cp-139-3319-d7b65-2.html

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