631 - CUPS 2.2

No vulneraiility here.

PORT    STATE SERVICE REASON         VERSION
631/tcp open  ipp     syn-ack ttl 63 CUPS 2.2
|_cups-queue-info: ERROR: Script execution failed (use -d to debug)
|_cups-info: ERROR: Script execution failed (use -d to debug)
|_http-server-header: CUPS/2.2 IPP/2.1