---
id: CVE-2025-43940
title: >-
  Dell Unity, version(s) 5.5 and Prior, contain(s) an Improper Neutralization of
  Special Elements used in an OS Command ('OS Command Injection') vulnerability
summary: >-
  Dell Unity, version(s) 5.5 and Prior, contain(s) an Improper Neutralization of
  Special Elements used in an OS Command ('OS Command Injection') vulnerability.
  A low privileged attacker with local access could potentially exploit this
  vuln…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: dell
product: unity_operating_environment
affected:
  - unity_operating_environment < 5.5.2.0
patched:
  - unity_operating_environment 5.5.2.0
published: '2025-10-30'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T10:10:00.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-43940'
references:
  - url: >-
      https://www.dell.com/support/kbdoc/en-us/000385307/dsa-2025-379-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilities
    label: security_alert@emc.com
tags:
  - nvd
epss: 0.00575
epssPercentile: 0.45668
ingestedAt: '2026-10-08T10:28:19.154Z'
---

## Overview

Dell Unity, version(s) 5.5 and Prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Command execution and Elevation of privileges.

## Affected

- `unity_operating_environment < 5.5.2.0`

## Remediation

Upgrade past the affected range:

- `unity_operating_environment 5.5.2.0`