ServiceNow has addressed a sensitive file read vulnerability that was identified in the Washington DC, Vancouver, and Utah Now Platform releases. This vulnerability could allow an administrative user to gain unauthorized access to sensitive files on the web application server. The vulnerability is addressed in the listed patches and hot fixes, which were released during the June 2024 patching cycle. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses.