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CVE-2020-3934

29
FAUCET Score

CVE-2020-3934 describes a critical pre-authentication SQL injection vulnerability affecting TAIWAN SECOM CO., LTD.'s dr.id_access_control and dr.id_attendance_system products. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to remotely execute arbitrary SQL commands with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the severe impact necessitates immediate patching for affected systems.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.2CPE matchmatch criteria
cpe:2.3:a:secom:dr.id_access_control:*:*:*:*:*:*:*:*
< 3.3.0.3_20160517CPE matchmatch criteria
cpe:2.3:a:secom:dr.id_attendance_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 56th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / chtsecurity/4db471b34c3959e5ab9ec31570e4760b
Third Party Advisory
chtsecurity.com / news/1bb85fcd-9048-4587-b4d3-b18335572bac
Third Party Advisory
twcert.org.tw / en/cp-139-3318-89f76-2.html
Third Party Advisory