CVE-2021-47707

Dec. 12, 2025, 3:19 p.m.

9.3
Critical

Description

COMMAX CVD-Axx DVR 5.1.4 contains weak default administrative credentials that allow remote password attacks and disclose RTSP stream. Attackers can exploit this by sending a POST request with the 'passkey' parameter set to '1234', allowing them to access the web control panel.

Product(s) Impacted

Product Versions
cvd-axx_dvr
  • 5.1.4

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1392
Use of Default Credentials
The product uses default credentials (such as passwords or cryptographic keys) for potentially critical functionality.

References

https://www.commax.com
https://www.exploit-db.com/exploits/50210
https://www.vulncheck.com/advisories/commax-cvd-axx-dvr-weak-default-credentials-stream-disclosure
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5667.php

Tags

CWE-1392
disclosure@vulncheck.com
2025-12-09
CVE-2021-47707

CVSS Score

9.3 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • Exploit Maturity: NOT_DEFINED

    • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

    View Vector String

Timeline

Published: Dec. 9, 2025, 9:15 p.m.
Last Modified: Dec. 12, 2025, 3:19 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

disclosure@vulncheck.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.