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CVE-2020-5353

HIGH
8.8
CVSS Score
Published: July 29, 2021 at 03:55 PM UTC
Updated: June 17, 2026 at 03:21 AM UTC
3 products affected across 1 vendorEMC Powerscale OnefsEMC Isilon OnefsPowerScale OneFS

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Severity
HIGH8.8
Exploit prediction
EPSS 1.0%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EMC Isilon Onefs· Dell
95%
v ≤ 8.2.2v < All supported
Affected range stops below All supported, so it looks safe — our inference, not a vendor statement
EMC Powerscale Onefs· Dell
95%
9.0.0
PowerScale OneFS· Dell
70%
9.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://support.emc.com/kb/542721

CVSS

8.8HIGHdell
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-276

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