COMMAX Biometric Access Control System 1.0.0 Reflected XSS via Cookie Parameters
Priority MEDIUM 56CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00284 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| COMMAX Co., Ltd. | COMMAX Biometric Access Control System | 1.0.0 | — | No fix listed | CNA |
- COMMAX Biometric Access Control System VendorCOMMAX Co., Ltd. Affected 1.0.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47743
- 2026-10-03 Alias added: GHSA-x357-46c7-h4hf
References
More COMMAX Co., Ltd. vulnerabilities
- TI-2021-22325 COMMAX Smart Home IoT Control System SQL Injection Authentication Bypass CVSS 4.0CRITICAL 9.3
- TI-2021-22336 CNC_Ctrl DllUnregisterServer f5501 Access Violation CVSS 4.0HIGH 8.7
- TI-2021-22324 COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure CVSS 4.0CRITICAL 9.3
- TI-2021-22326 COMMAX Smart Home Ruvie CCTV Bridge DVR Service Config Write / DoS CVSS 4.0HIGH 8.7
- TI-2019-13818 Commax WallPad Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2021-22327 COMMAX Smart Home Ruvie CCTV Bridge DVR Service RTSP Credentials Disclosure CVSS 4.0HIGH 8.7
Sources
- CVE-2021-47743 · CVE Program
- CVE-2021-47743 · NVD
- FIRST EPSS
- GHSA-x357-46c7-h4hf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences