CVE-2021-47707

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.

Is your site exposed to CVE-2021-47707?

Run a free security scan — no signup, results in seconds.

Weakness Type (CWE)

CWE-1392 CWE-1392

References

Other 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

Frequently Asked Questions

What is CVE-2021-47707? +

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.

How do I check if I'm vulnerable to CVE-2021-47707? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-9844

Use of default credentials vulnerability in Roche Diagnostics navify Digital Pathology (RabbitMQ Management interface modules) allows Default Usernames and Passwords. …

CVE-2025-2184

A credential management flaw in Palo Alto Networks Cortex XDR® Broker VM causes different Broker VM images to share identical …

CVE-2024-4622

If misconfigured, alpitronic Hypercharger EV charging devices can expose a web interface protected by authentication. If the default credentials are …

CVE-2025-12592

Legacy Vivotek Device firmware uses default credetials for the root and user login accounts.

CVE-2026-7428

Prior to 2025-11-03, well-intended users of Terraform or REST API for Google Cloud AlloyDB for PostgreSQL could have created clusters …

CVE-2024-13893

Smartwares cameras CIP-37210AT and C724IP, as well as others which share the same firmware in versions up to 3.3.0, might …