CVE-2026-21423
Received Received - Intake

Incorrect Default Permissions in Dell PowerScale OneFS Enables Privilege Escalation

Publication date: 2026-03-04

Last updated on: 2026-03-04

Assigner: Dell

Description
Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect default permissions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to code execution, denial of service, elevation of privileges, and information disclosure.

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Meta Information

Published
2026-03-04
Last Modified
2026-03-04
Generated
2026-07-06
AI Q&A
2026-03-04
EPSS Evaluated
2026-07-05
NVD
CVE-2026-21423
EUVD
EUVD-2026-9398

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
dell powerscale_onefs to 9.10.1.6 (exc)
dell powerscale_onefs From 9.11.0.0 (inc) to 9.13.0.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-276 During installation, installed file permissions are set to allow anyone to modify those files.

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Executive Summary

This vulnerability exists in Dell PowerScale OneFS versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1. It is caused by incorrect default permissions.

A highly privileged attacker with local access to the system could exploit this flaw.

Exploitation could lead to code execution, denial of service, elevation of privileges, and information disclosure.

Impact Analysis

If exploited, this vulnerability can have serious impacts including:

  • Execution of arbitrary code by an attacker.
  • Denial of service, potentially disrupting system availability.
  • Elevation of privileges, allowing attackers to gain higher access rights.
  • Disclosure of sensitive information.
Compliance Impact

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