Description

Dell ObjectScale, versions prior to 4.3.0.1, 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 Elevation of privileges.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.8",
  "pubDate": "2026-08-17T14:20:21.623Z",
  "pubdate": "2026-08-17T14:20:21.623Z",
  "executiveSummary": "Dell ObjectScale, in versions prior to 4.3.0.1, is affected by an Improper Neutralization of Special Elements used in an OS Command vulnerability, commonly classified as OS Command Injection. This security flaw allows a locally authenticated threat actor to execute arbitrary operating system commands with elevated privileges.\nThe vulnerability resides within the underlying operating system command handling routines of the application, where insufficient input sanitization fails to neutralize special characters provided by the user. If successfully exploited, the vulnerability leads directly to an elevation of privileges, potentially granting the attacker complete control over the affected system component.\nExploitation of this vulnerability requires local access to the target system coupled with low-level user privileges. Although network exposure is not strictly required for the initial execution vector, the resulting compromise poses severe risks to the confidentiality, integrity, and availability of the Dell ObjectScale deployment. Organizations utilizing affected software instances face significant security exposure until remediation is applied.\nMitigation requires upgrading Dell ObjectScale to version 4.3.0.1 or later, where the underlying input validation and command construction mechanisms are properly secured against injection attacks.",
  "technicalDetails": "The root cause of the vulnerability stems from the application processing user-supplied input and passing it directly or via insecure abstractions to an underlying shell interpreter without adequate input neutralization or sanitization. This architectural flaw allows special characters to alter the intended syntax of the command string constructed by the application.\nThe vulnerable component involves internal routines handling system-level operations within Dell ObjectScale versions prior to 4.3.0.1. Because input validation filters fail to strip or escape shell metacharacters, an attacker can manipulate parameters to inject arbitrary operating system commands.\nAttack requirements dictate that the threat actor must possess local access to the host environment along with low-level user privileges. Authentication is a prerequisite, as the vulnerable functionality is not exposed to unauthenticated users or direct network-based execution vectors without prior local context.\nThe step-by-step attack flow proceeds as follows: First, the low-privileged attacker authenticates to the local system or interface containing the vulnerable input vector. Second, the attacker crafts a malicious payload containing shell metacharacters designed to break out of the intended command structure. Third, the attacker submits this input to the vulnerable Dell ObjectScale component. Fourth, the application insecurely concatenates the malicious input into an OS command execution function. Fifth, the underlying operating system executes the combined command string, honoring the injected instructions.\nPayload behavior during successful exploitation results in the execution of arbitrary commands under the security context of the application's execution process. Post-exploitation impact includes the escalation of privileges, enabling the attacker to execute administrative tasks, manipulate critical system files, access sensitive data stores, or establish persistent unauthorized access within the Dell ObjectScale environment."
}