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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (18.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Commax Co., Ltd. Biometric Access Control System — versions 1.0.0
Weakness classification (CWE)
References
- www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5660.php (third-party-advisory)
- packetstormsecurity.com/files/163834 (exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/207578 (vdb-entry)
- cxsecurity.com/issue/WLB-2021080063 (third-party-advisory)
- www.commax.com/ (vendor-advisory)
- www.vulncheck.com/advisories/commax-biometric-access-control-system-reflected-x… (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.