CVE-2025-24379 Overview
CVE-2025-24379 is an OS command injection vulnerability affecting Dell Unity storage systems running Unity Operating Environment version 5.4 and prior. The flaw stems from improper neutralization of special elements used in operating system commands [CWE-78]. A low-privileged attacker with local access to the appliance can inject arbitrary OS commands. Successful exploitation results in command execution and elevation of privileges on the affected storage system. Dell addressed this issue in security advisory DSA-2025-116, which covers multiple vulnerabilities affecting Dell Unity, Dell UnityVSA, and Dell Unity XT.
Critical Impact
A local, low-privileged attacker can escalate privileges and execute arbitrary OS commands on Dell Unity storage appliances, potentially compromising stored data confidentiality, integrity, and availability.
Affected Products
- Dell Unity Operating Environment version 5.4 and prior
- Dell UnityVSA (as referenced in DSA-2025-116)
- Dell Unity XT (as referenced in DSA-2025-116)
Discovery Timeline
- 2025-03-28 - CVE-2025-24379 published to the National Vulnerability Database
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-24379
Vulnerability Analysis
The vulnerability resides in the Dell Unity Operating Environment, the management software running on Dell Unity storage arrays. The affected component fails to neutralize special characters passed to functions that construct operating system commands. When user-controlled input reaches a command interpreter without proper sanitization, an attacker can append or inject additional shell metacharacters to alter the intended command.
Because the vulnerable command execution runs with elevated privileges, injected commands execute in a security context higher than the attacker's original session. This produces both arbitrary command execution and privilege escalation from a single exploit path.
The attack requires local access and low privileges, meaning the attacker must have some form of authenticated access to the appliance interface before exploitation. No user interaction is required to trigger the flaw.
Root Cause
The root cause is a failure to properly validate or escape special shell characters, such as ;, |, &, backticks, or $() constructs, before passing input to an OS command interpreter. This class of defect is tracked as CWE-78: Improper Neutralization of Special Elements used in an OS Command.
Attack Vector
Exploitation follows a standard command injection pattern against management interfaces on the Unity appliance. An authenticated low-privileged user submits crafted input to a vulnerable function. The Unity software concatenates the input into a shell command and executes it with elevated privileges. The attacker receives command execution as the higher-privileged account, effectively bypassing the appliance's role-based access controls.
No public proof-of-concept exploit is currently available, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. Technical details for this vulnerability are described in the Dell Security Update DSA-2025-116.
Detection Methods for CVE-2025-24379
Indicators of Compromise
- Unexpected shell processes spawned as child processes of Dell Unity management daemons or service accounts.
- Command-line arguments containing shell metacharacters (;, |, &&, `, $()) in Unity service logs.
- Unauthorized privilege transitions from low-privileged Unity service accounts to root or administrative contexts.
- New or modified files in Unity system directories that do not correspond to a known patch or upgrade window.
Detection Strategies
- Monitor Dell Unity audit logs for management API or CLI calls originating from low-privileged accounts that immediately precede privilege changes.
- Baseline the expected process tree of the Unity Operating Environment and alert on deviations, particularly shell interpreters launched by service processes.
- Correlate authentication events with subsequent local command execution to identify anomalous session behavior on the storage controller.
Monitoring Recommendations
- Forward Dell Unity syslog output to a central logging platform and retain command execution and audit records for correlation.
- Alert on any invocation of /bin/sh, /bin/bash, or interpreter binaries by Unity service accounts outside of documented maintenance actions.
- Review account activity for low-privileged Unity users who suddenly perform administrative actions after issuing management commands.
How to Mitigate CVE-2025-24379
Immediate Actions Required
- Apply the Dell security update referenced in DSA-2025-116 to all Unity, UnityVSA, and Unity XT systems running Unity Operating Environment 5.4 or earlier.
- Inventory all Dell Unity appliances and confirm the running Unity Operating Environment version against the fixed release listed in the Dell advisory.
- Restrict local and management network access to Unity appliances so that only trusted administrators can authenticate.
- Review and reduce the number of accounts with any level of access to the Unity management plane.
Patch Information
Dell has released fixed versions of the Unity Operating Environment as part of Dell Security Update DSA-2025-116. Administrators should follow the vendor's upgrade guidance and validate the update on non-production systems where possible before broad rollout.
Workarounds
- No official vendor workaround is published. Dell recommends upgrading to the fixed release.
- As a compensating control, place Unity management interfaces on an isolated administrative network segment accessible only via jump hosts.
- Enforce strong authentication and audit all interactive logins to Unity appliances until the patch is deployed.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
