Description

Dell PowerStore contains an Inclusion of Functionality from Untrusted Control Sphere vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to execute arbitrary code with root privileges..

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.8",
  "pubDate": "2026-09-01T15:17:21.187Z",
  "pubdate": "2026-09-01T15:17:21.187Z",
  "executiveSummary": "This vulnerability involves an Inclusion of Functionality from Untrusted Control Sphere within Dell PowerStore, which allows an authenticated, low-privileged user to achieve arbitrary code execution with root-level privileges.\nThe vulnerability represents a critical security flaw that compromises the integrity and confidentiality of the appliance. By exploiting the control sphere, an attacker can bypass standard security boundaries, transitioning from limited user access to full administrative control of the underlying operating system.\nThe threat is limited to authenticated users, meaning external unauthenticated attackers cannot exploit this directly without first gaining low-level access to the system. Once authentication is obtained, the risk is severe, as it facilitates complete system compromise, potential data exfiltration, or permanent disruption of storage services.\nOrganizations should treat this as a high-priority risk, emphasizing strict access control management and monitoring for unauthorized attempts to escalate privileges within the management environment of the PowerStore cluster.",
  "technicalDetails": "The vulnerability is identified as an Inclusion of Functionality from Untrusted Control Sphere, occurring when the system improperly incorporates external or untrusted data into the control flow of privileged processes. In the context of Dell PowerStore, this suggests that the administrative management interface or internal service layer fails to adequately sanitize or validate parameters processed by high-privilege system functions.\nThe exploitation flow begins with the attacker establishing an authenticated session with limited privileges. Because the application processes user-supplied inputs within the control sphere—areas typically reserved for system-level operations—the attacker can inject crafted payloads designed to influence the execution of root-owned processes.\nUpon successful invocation of the vulnerable function, the attacker achieves arbitrary code execution. Since the target process operates within the context of the root user, the shell or binary launched by the exploit inherits these permissions, effectively granting the attacker full control over the appliance's core operating environment.\nThe root cause lies in a breakdown of the privilege separation model, where the control sphere allows user-space influence over administrative-space operations. Because the system does not enforce strict boundaries between these two functional tiers, it facilitates a direct escalation path. The lack of robust input validation at the boundary of the control sphere is the primary mechanism that facilitates the escalation.\nPost-exploitation, the attacker possesses the ability to install persistent backdoors, modify system configurations, access sensitive cryptographic keys, or manipulate storage volume settings. As the attacker maintains root access, they can bypass local logging and security instrumentation, effectively masking their presence on the system. The impact extends to all data residing on the PowerStore, as full root access provides the capability to bypass logical access controls and impact the underlying data management layer."
}