There is a difficult‑to‑exploit improper authentication issue in the Home application for Esri Portal for ArcGIS versions 11.2 and below on Windows and Linux, and ArcGIS Enterprise versions 11.1 and below on Kubernetes, which under unique circumstances could allow a remote, authenticated attacker with low‑privileged access to compromise the confidentiality, integrity, and availability of the software. Successful exploitation allows the attacker to cross an authentication and authorization boundary beyond their originally assigned access, resulting in a scope change.
There is a path traversal in Esri Portal for ArcGIS versions <= 11.2. Successful exploitation may allow a remote, authenticated attacker to traverse the file system to access files or execute code outside of the intended directory.
There is a Cross-site Scripting vulnerability in Portal for ArcGIS in versions 11.2 and below that may allow a remote, authenticated attacker to provide input that is not sanitized properly and is rendered in error messages. The are no privileges required to execute this attack.