Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain high-privilege Unisphere credentials
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ExploitReach remote management interface
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ExecutionInject OS command via crafted input
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ImpactAchieve remote code execution on appliance
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK
2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Exploitation requires the attacker to already hold a HIGH-privilege (administrative) authenticated account on the Dell Unisphere for PowerMax virtual appliance and to have network access to its management interface (AV:N, PR:H). The HIGH attack complexity (AC:H) indicates additional conditions beyond the attacker's control must be met for reliable exploitation. The limiting factors are therefore: mandatory prior admin-level authentication, network reachability of the Unisphere management plane (typically a segmented storage-management network, not the open internet), and the non-trivial complexity of triggering the injection - all of which substantially narrow realistic exploitation to insiders or attackers who have already compromised privileged credentials. No user interaction is required (UI:N). |
| Impact | This is a moderate-priority issue rather than an urgent one, and the signals are internally consistent. The CVSS 3.1 vector (AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H, base 6.6) describes a network-reachable OS command injection that nonetheless requires HIGH privileges (PR:H) and has HIGH attack complexity (AC:H), meaning the attacker must already hold a highly privileged account on Unisphere for PowerMax and must satisfy additional conditions outside their direct control. The full C:H/I:H/A:H impact reflects that successful injection yields remote code execution on the appliance. No EPSS score, no CISA KEV listing, and no public POC were provided, so there is no evidence of active exploitation or available exploit code - the authentication-and-complexity barrier makes opportunistic mass exploitation unlikely. The practical risk is a privilege-to-RCE escalation on a sensitive storage-management appliance: dangerous if an attacker (or malicious insider) already has admin-level access, but gated enough that it is not a drop-everything patch. No conflicting data was observed; the main gap is the absence of exploitation-probability signals (EPSS/KEV/POC all absent), which are missing rather than contradictory. |
| Exploit ScenarioDerived | An attacker who has already obtained high-privilege (administrator-level) credentials to the Dell Unisphere for PowerMax virtual appliance - for example a malicious insider or an attacker who harvested admin credentials - submits crafted input to a management function that improperly neutralizes special characters, injecting OS commands. The injected commands execute on the underlying appliance, giving the attacker remote code execution and control over the storage-management plane. No public exploit code was identified at time of analysis, and the high attack complexity means exploitation is not trivially reliable. |
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Alert meAnalysisAIv1 – Oct 14, 2026
OS command injection in Dell Unisphere for PowerMax vApp 9.2.4.x lets a remote attacker who already holds a high-privileged (administrative) account on the appliance run arbitrary operating-system commands on the underlying host. Because the CVSS vector requires PR:H and AC:H, exploitation is gated on prior admin-level authentication plus network reachability of the Unisphere management plane and additional conditions outside the attacker's control, so the practical risk is concentrated among insiders or attackers who have already compromised privileged credentials rather than the general internet. No public exploit code has been identified at time of analysis, the issue is not listed in CISA KEV, and the vendor has published a security-update advisory (DSA-2026-447) covering this and related PowerMax product vulnerabilities.
RemediationAI
Patch available per vendor advisory: Dell published DSA-2026-447 (https://www.dell.com/support/kbdoc/en-us/000515611/dsa-2026-447-dell-powermaxos-dell-powermax-eem-dell-unisphere-for-powermax-dell-unisphere-for-powermax-virtual-appliance-dell-solutions-enabler-and-dell-solutions-enabler-virtual-appliance-security-update-for-multiple-vulnerabilities), which is the authoritative source for the fixed build for Unisphere for PowerMax vApp 9.2.4.x and the co-listed PowerMaxOS, EEM and Solutions Enabler components; apply the version Dell specifies there rather than assuming any specific build number. Until the appliance is updated, compensate by restricting the Unisphere management interface to a dedicated, segmented storage-management VLAN with no internet exposure and firewall rules limited to named administrative jump hosts, which materially reduces the AV:N path but does not eliminate the insider/admin abuse case; enforce least privilege by removing standing admin accounts from Unisphere, using named accounts with MFA at the fronting layer, and auditing administrative command activity and appliance OS logs for unexpected child processes spawned by the Unisphere service. These controls lower risk but do not fix the underlying injection, so they should be treated as temporary; note that aggressive network lockdown can block legitimate element-manager, SMI-S and Solutions Enabler integrations, so validate connectivity requirements before applying it.
Affected VersionsENISA
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Technical ContextAI · show details
The flaw is a classic CWE-78 improper neutralization of special elements used in an OS command (OS command injection) affecting the Dell Unisphere for PowerMax vApp management software, which is the web-based element-manager interface used to administer PowerMax storage arrays. The vulnerability class arises when user-controllable input is passed to a shell or command-execution API without adequate escaping or allow-listing, allowing shell metacharacters to be interpreted as part of the command line. The CPE entry cpe:2.3:a:dell:unisphere_for_powermax_vapp:*:*:*:*:*:*:*:* uses a wildcard version, indicating that the affected 9.2.4.x build range is tracked broadly rather than pinned to a single build; the provided CVSS:3.1 vector (AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H) confirms that the vulnerable surface is reachable over the network but sits behind authenticated, high-privileged access, with high attack complexity reflecting preconditions such as a specific configuration, input path, or timing that must be met for the command injection to succeed. Confidentiality, integrity and availability impacts are all rated High because successful command execution against the appliance grants the attacker the privileges of the Unisphere service, which on a storage-management node is a sensitive foothold.
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Severity by source
AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Remote management interface (AV:N) but requires existing admin privileges (PR:H) and additional preconditions (AC:H); command injection yields full RCE, so C:H/I:H/A:H with unchanged scope.
Primary rating from Vendor (dell).
CVSS VectorVendor: dell
Lifecycle Timeline
1DescriptionCVE.org
Dell Unisphere for PowerMax vApp, version(s) 9.2.4.x, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
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