You are receiving scan alert similar to below and want to know if the Reporter is vulnerable.
Remote Management Service Accepting Unencrypted Credentials Detected (FTP)Nginx Remote Code Execution (RCE) Vulnerability (Zero Day)Nginx Arbitrary Code Exe
nginx [engine x] is an HTTP and reverse proxy server, a mail proxy server, and a generic TCP/UDP proxy server.
A security issue in nginx resolver was identified, which might allow an attacker to cause 1-byte memory overwrite by using a specially crafted DNS response
NGINX version from 0.6.18 to 1.20.0
QID Detection Logic (Unauthenticated):
The unauthenticated check tries to fetch the version from the version exposed in the Server: tag of a HTTP response.