Back
CVE-2020-3934
TAIWAN SECOM CO., LTD. - Pre-auth SQL Injection
Critical9.8EPSS 1.4%
- Published
- Updated
- Reserved
- Assigned by
- twcert
Description
TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, contains a vulnerability of Pre-auth SQL Injection, allowing attackers to inject a specific SQL command.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.4% · top 28% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Pre-auth SQL Injection
- CWE-89 (opens in a new tab)All about CWE-89 and its CVEs
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.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
- https://www.twcert.org.tw/en/cp-139-3318-89f76-2.html (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-2020-3934)Record last updated .