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 login action with a crafted username and, through the use of timing attacks, can discover user passwords.
[
{
"product": "Grandstream UCM6200 series",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "1.0.20.20 and below"
}
]
}
]