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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-04
Last Modified
2026-03-04
Generated
2026-06-16
AI Q&A
2026-03-04
EPSS Evaluated
2026-06-15
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
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-276 During installation, installed file permissions are set to allow anyone to modify those files.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
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

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21423. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart