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Fencer Vulns
critical 9.8

CVE-2020-3934 json

TAIWAN SECOM CO., LTD. - Pre-auth SQL Injection

published 2020-02-11 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25199

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

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.

Patch / fix

  • secom dr.id_access_control 3.3.2
  • secom dr.id_attendance_system 3.3.0.3_20160517

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • TAIWAN SECOM CO., LTD. Door Access Control system
  • TAIWAN SECOM CO., LTD. Personnel Attendance system

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.