Description
Anviz Global M3 Outdoor RFID Access Control executes any command received from any source. No authentication/encryption is done. Attackers can fully interact with the device: for example, send the "open door" command, download the users list (which includes RFID codes and passcodes in cleartext), or update/create users. The same attack can be executed on a local network and over the internet (if the device is exposed on a public IP address).
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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wizlab-it/anviz-m3-rfid-cve-2019-11523-poc ★ 2 · Apr 22, 2019
Anviz M3 RFID CVE-2019-11523 PoC
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.