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TI-2020-04405 Aliases CVE-2020-5353GHSA-54h3-rfwf-3g76

Incorrect default permissions in Dell Isilon OneFS

Priority MEDIUM 40CWE-276Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00991 62nd percentileScored 2026-11-07
Fix Fixed Isilon OneFS (Dell): All supported

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellIsilon OneFSbefore All supportedAll supportedPatch availableCNA
  • Isilon OneFS VendorDell Affected before All supported Fixed in All supported Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:dell:emc_isilon_onefs:*:*:*:*:*:*:*:*up to 8.2.2VulnerableDell
cpe:2.3:o:dell:emc_powerscale_onefs:9.0.0:*:*:*:*:*:*:*9.0.0VulnerableDell
  • cpe:2.3:a:dell:emc_isilon_onefs:*:*:*:*:*:*:*:* Versions up to 8.2.2 Vulnerable ·Dell
  • cpe:2.3:o:dell:emc_powerscale_onefs:9.0.0:*:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Dell

Remediation

  • Fix · CNA Isilon OneFS (Dell) Fixed in All supported

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5353
  2. 2026-10-03 Alias added: GHSA-54h3-rfwf-3g76

References

Patch 1

  • TI-2020-04381 Missing authentication in Dell Isilon OneFS CVSS 3.1CRITICAL 9.8
  • TI-2018-01124 Cross-site request forgery in Dell EMC Isilon OneFS CVSS 3.0HIGH 8.8
  • TI-2020-04422 Incorrect permission assignment in Dell Isilon OneFS CVSS 3.1HIGH 8.8
  • TI-2020-04420 Incorrect permission assignment in Dell Isilon OneFS CVSS 3.1HIGH 8.8
  • TI-2020-16010 Incorrect default permissions in Dell PowerScale OneFS CVSS 3.1HIGH 8.8
  • TI-2020-04416 Dell EMC Isilon versions 8.2.2 and earlier contain a remotesupport vulnerability. CVSS 3.1HIGH 7.5
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences