CVE-2026-101217 in Unisphere for PowerMax vApp
Summary
by MITRE • 10/14/2026
Dell Unisphere for PowerMax vApp, version(s) 9.2.4.x, contain(s) an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure.
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Analysis
by VulDB Data Team • 10/14/2026
The identified security flaw resides within the Dell Unisphere for PowerMax vApp application, specifically affecting versions 9.2.4.x and likely subsequent releases that have not applied relevant patches. This vulnerability is classified as an Improper Limitation of a Pathname to a Restricted Directory, commonly known in industry standards as CWE-22: Improper Limitation of a Pathname to a Restricted Directory or Path Traversal. The core technical issue stems from insufficient validation and sanitization of user-supplied input that dictates file system paths within the application's backend logic. When an attacker provides specially crafted directory traversal sequences, such as dot-dot-slash characters combined with encoded separators, the application fails to properly restrict access to authorized directories. Instead of rejecting these malicious inputs or resolving them safely relative to a designated root directory, the software interprets them literally and navigates up the file system hierarchy. This behavior allows the attacker to bypass intended security boundaries that are designed to isolate sensitive configuration files, logs, credentials, or internal application data from external access.
The operational impact of this vulnerability is primarily centered on unauthorized information disclosure. Because the flaw permits reading arbitrary files from the underlying operating system where the vApp is deployed, a low-privileged attacker with remote network access can extract critical data that should remain confidential. This may include database connection strings containing plaintext passwords, private cryptographic keys used for securing communications between components, internal configuration settings that reveal architecture details, or sensitive log files containing user activity records and error messages that could aid in further reconnaissance. The ability to read these restricted resources significantly degrades the confidentiality of the storage management environment managed by Unisphere for PowerMax. While the primary impact is information disclosure, the exposure of such data can serve as a stepping stone for more severe attacks, including privilege escalation or remote code execution if sensitive files like configuration scripts are modified or if credentials are used to authenticate into other systems within the enterprise network.
From an offensive security perspective, this vulnerability aligns with techniques documented in the MITRE ATT&CK framework, specifically under Tactic 10: Collection and Sub-technique T1083: File and Directory Discovery. An attacker would typically exploit this by sending HTTP requests to endpoints that accept file path parameters, injecting traversal sequences to navigate out of the web root or application sandbox into sensitive areas like etc/passwd on Linux-based deployments or system configuration files on Windows environments. The exploitation requires only remote network access and low-level privileges within the Unisphere interface, which lowers the barrier for entry significantly compared to vulnerabilities requiring administrative rights. This makes it a high-risk issue in environments where storage management interfaces are exposed to less trusted networks or managed by users with limited operational scope who should not have deep system file access.
Mitigation strategies must focus on both immediate remediation and long-term architectural hardening. The most effective solution is to apply the vendor-provided security patch that addresses this specific CVE in Dell Unisphere for PowerMax versions 9.2.4.x. Organizations running these affected versions should prioritize updating their vApp instances as soon as a validated fix is available from Dell Technologies support channels. In addition to patching, defense-in-depth measures are recommended. Network segmentation should be enforced to ensure that the management interface of Unisphere for PowerMax is only accessible from trusted administrative subnets rather than being exposed directly to untrusted networks or the public internet. Input validation mechanisms at the web application firewall level can also help detect and block common path traversal patterns, although this serves as a compensating control rather than a fix for the underlying code defect. Regular vulnerability scanning of management interfaces is essential to identify such misconfigurations before they are exploited by adversaries seeking initial access or intelligence gathering within storage infrastructure environments.