Description
The Grandstream UCM6200 series before 1.0.20.22 is vulnerable to an SQL injection via the HTTP server's websockify endpoint. A remote unauthenticated attacker can invoke the challenge action with a crafted username and discover user passwords.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Grandstream UCM6200 series | 1.0.20.20 and below | — |
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Grandstream UCM62xx IP PBX WebSocket Blind SQL Injection Credential Dump
auxiliary/gather/grandstream_ucm62xx_sql_account_guess
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.