Dell EMC PowerScale OneFS 8.1.x - 9.1.x contain hard coded credentials. This allows a local user with knowledge of the credentials to login as the admin user to the backend ethernet switch of a PowerScale cluster. The attacker can exploit this vulnerability to take the switch offline.

Dell EMC Isilon OneFS supported versions 8.1 and later and Dell EMC PowerScale OneFS supported version 9.0.0 contain an access issue with the remotesupport user account. A remote malicious user with low privileges may gain access to data stored on the /ifs directory through most protocols.

Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain an improper input validation vulnerability. A user with the ISIPRIVCLUSTER privilege may exploit this vulnerability, leading to the execution of arbitrary OS commands on the application's underlying OS, with the privileges of the vulnerable application.

Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain a privilege escalation vulnerability. A user with ISIPRIVJOBENGINE may use the PermissionRepair job to grant themselves the highest level of RBAC privileges thus being able to read arbitrary data, tamper with system software or deny service to users.