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CVE-2020-3933
TAIWAN SECOM CO., LTD. - User Account Enumeration
Medium5.3EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- twcert
Description
TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, allows attackers to enumerate and exam user account in the system.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.2% · top 31% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- User Account Enumeration
Affected products
TAIWAN SECOM CO., LTD. · Door Access Control system
- affected ≤ 3.3.2
TAIWAN SECOM CO., LTD. · Personnel Attendance system
- affected ≤ 3.3.0.3_20160517
What to do
Solution: Update to: Door Access Control system ver. 3.5.4 Personnel Attendance system prior to ver. 3.4.0.0.3.05_20191112
References (3)
- https://www.twcert.org.tw/en/cp-139-3317-d4edc-2.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bac (opens in a new tab)x_refsource_MISCx_transferred
- https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760b (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-3933)Record last updated .