What is CVE-2021-47743?

CVE-2021-47743 is a medium-severity vulnerability in Commax Co., Ltd. Biometric Access Control System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-31.

How severe is CVE-2021-47743?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Commax Co., Ltd. Biometric Access Control System

CVE-2021-47743

COMMAX Biometric Access Control System 1.0.0 contains an unauthenticated reflected cross-site scripting vulnerability in cookie parameters 'CMX_ADMIN_NM' and 'CMX_COMPLEX_NM'. Attackers can inject malicious HTML and JavaScript code into these cookie values to execute arbitrary scripts in a victim's browser session.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Commax Co., Ltd. Biometric Access Control System — versions 1.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (vdb-entry)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47743?: CVE-2021-47743 is a medium-severity vulnerability in Commax Co., Ltd. Biometric Access Control System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-31.
How severe is CVE-2021-47743?: Medium severity. CVSS v3 base score is 6.1 out of 10.