CVE-2020-3934Network attack vector

Unauthenticated SQL command execution

Published Feb 11, 2020 · Updated Sep 17, 2024

Pre-authentication SQL injection in Dr.ID Access Control 3.3.2 and Attendance 3.3.0.3_20160517 allows remote attackers to execute SQL. Public disclosures identify only a specific SQL command and do not name the vulnerable page, parameter, function, or unsafe query-construction operation. No authentication or user interaction is required; the reporter identifies code execution, enterprise-network access, and credential theft as consequences.

CVSS severity9.8
Critical
EPSS probability1.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Pre-authentication SQL injection in Dr.ID Access Control 3.3.2 and Attendance 3.3.0.3_20160517 allows remote attackers to execute SQL. Public disclosures identify only a specific SQL command and do not name the vulnerable page, parameter, function, or unsafe query-construction operation. No authentication or user interaction is required; the reporter identifies code execution, enterprise-network access, and credential theft as consequences.

The record

CVE
CVE-2020-3934
Published
Feb 11, 2020
Updated
Sep 17, 2024
Vendor
Taiwan Secom Co., Ltd.
Product
Personnel Attendance Management System
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 11, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.3.0.3_20160517

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Taiwan Secom Co., Ltd. · Personnel Attendance Management Systemversion=0 <=3.3.0.3_20160517
Taiwan Secom Co., Ltd. · Integrated Access Controlversion=0 <=3.3.2

Published CVSS scores

7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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