CVE-2025-22479: Dell Storage Manager Path Traversal Flaw

CVE-2025-22479 Overview

CVE-2025-22479 is a path traversal vulnerability [CWE-22] affecting Dell Storage Center - Dell Storage Manager version 20.0.21. The flaw stems from improper limitation of a pathname to a restricted directory. An unauthenticated attacker with adjacent network access can exploit this weakness to achieve script injection against the affected component. Dell published the vulnerability on May 6, 2025 through security advisory DSA-2025-191. The issue impacts storage administration environments where Storage Manager controls Dell Storage Center arrays.

Critical Impact
An unauthenticated adjacent attacker can trigger script injection by abusing path traversal in Dell Storage Manager, potentially tampering with managed content served by the application.

Affected Products

Dell Storage Manager 20.0.21
Dell Storage Manager 16.3.20
Dell Storage Manager 2020 R1, R1.2, R1.10, R1.20, and Dell Storage Manager 2016 R2.1

Discovery Timeline

2025-05-06 - CVE-2025-22479 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-22479

Vulnerability Analysis

The vulnerability resides in Dell Storage Manager's handling of pathname inputs. The application fails to properly restrict pathnames to intended directories, which classifies the flaw under [CWE-22]. An attacker on an adjacent network segment can submit crafted path sequences that escape the intended directory boundary. The outcome, per Dell's advisory, is script injection rather than arbitrary file read, suggesting the traversal reaches locations where content is later rendered or executed in a client context.

Exploitation does not require authentication or user interaction, but the attack vector is limited to adjacent networks rather than the public internet. This limits the exposure surface to attackers who already have a foothold on the same logical network as the Storage Manager instance, such as management VLANs or storage administration segments.

Root Cause

The root cause is insufficient validation and canonicalization of user-supplied path components. The application accepts input that is later used to resolve a filesystem location without stripping traversal sequences such as ../ or validating the resolved path against an allowlist of permitted directories.

Attack Vector

An unauthenticated attacker reaches a network-facing Storage Manager interface over an adjacent network. The attacker issues a request containing traversal sequences that resolve to a path outside the intended directory. If the destination path controls content later served to another user or system component, the attacker achieves script injection in that context. Dell has not released a public proof of concept, and no exploit is currently listed in Exploit-DB or CISA KEV.

// No verified public exploit code is available for CVE-2025-22479.
// Refer to the Dell DSA-2025-191 advisory for technical remediation details.

Detection Methods for CVE-2025-22479

Indicators of Compromise

HTTP or management-protocol requests to Dell Storage Manager containing traversal sequences such as ../, ..%2f, or encoded variants in path or filename parameters.
Unexpected files, scripts, or modified HTML/JS content appearing in Storage Manager content directories.
Script execution anomalies in browsers belonging to Storage Manager administrators after accessing the management UI.

Detection Strategies

Inspect web and application logs on Storage Manager hosts for path traversal patterns targeting file or resource parameters.
Baseline the filesystem of the Storage Manager installation directory and alert on unauthorized writes or new script files.
Correlate adjacent-network sources with management-plane requests to identify unauthenticated access attempts to Storage Manager endpoints.

Monitoring Recommendations

Enable verbose request logging on Dell Storage Manager and forward logs to a central SIEM for pattern-based identification.
Monitor outbound connections from administrator browsers that recently accessed Storage Manager, since successful script injection can trigger secondary callbacks.
Track configuration and content changes on the Storage Manager server using file integrity monitoring.

How to Mitigate CVE-2025-22479

Immediate Actions Required

Apply the Dell security update referenced in DSA-2025-191 to all Dell Storage Manager instances running version 20.0.21 or earlier.
Restrict management-plane access to Storage Manager to a dedicated administrative network, blocking adjacent lateral access from general-purpose VLANs.
Audit Storage Manager content directories for unauthorized files introduced before patching.

Patch Information

Dell has released fixed versions and remediation guidance in advisory DSA-2025-191. Administrators should consult the advisory to confirm the specific target version for their deployment and follow Dell's documented upgrade procedure.

Workarounds

Place Dell Storage Manager behind network access controls that permit only trusted management hosts.
Disable or firewall any unused Storage Manager network services that expose file-handling endpoints.
Require VPN or jump-host access to the storage management segment to reduce the pool of adjacent attackers.

bash

# Example: restrict Storage Manager management port to a trusted admin subnet
iptables -A INPUT -p tcp --dport 3033 -s 10.10.50.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 3033 -j DROP