The ArcGIS Server Simple Object Access Protocol (SOAP) endpoint, ‘http(s)://:/arcgis/services’, does not appear to have any application driven error handling and may be vulnerable to string injection and brute force attacks. Below is a link to the Vulnerability Score (CVSS): CVSS 3.3 (of 10): Low Risk Vulnerability
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L/E:U/RL:W/RC:U