CVE-2020-5353: Dell Emc Isilon Onefs

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

The Dell Isilon OneFS versions 8.2.2 and earlier and Dell EMC PowerScale OneFS version 9.0.0 default configuration for Network File System (NFS) allows access to an 'admin' home directory. An attacker may leverage a spoofed Unique Identifier (UID) over NFS to rewrite sensitive files to gain administrative access to the system.

Affected products

• Dell Emc Isilon Onefs: up to and including 8.2.2
• Dell Emc Powerscale Onefs: version 9.0.0 only

Published 2021-07-29. Last modified 2026-06-17.