CVE-2026-54470 in Unisphere for PowerMax
Summary
by MITRE • 07/10/2026
Dell Unisphere for PowerMax, version(s) 10.3.0.5 and prior contain(s) an Improper Restriction of XML External Entity Reference vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
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Analysis
by VulDB Data Team • 07/10/2026
The vulnerability under discussion affects Dell Unisphere for PowerMax versions 10.3.0.5 and earlier, representing a critical security flaw in the management interface for Dell PowerMax storage arrays. This issue manifests as an improper restriction of XML External Entity reference, commonly known as XXE vulnerability, which falls under CWE-611. The flaw exists within the application's XML processing mechanisms where external entities are not properly validated or restricted, creating a pathway for malicious actors to manipulate XML parsers.
The technical implementation of this vulnerability allows a low-privileged attacker with remote access to craft specially formatted XML requests that can trigger the parser to resolve external entity references. When the system processes these malformed requests, it may attempt to access internal network resources or retrieve data from external servers without proper authorization. This creates an unauthorized access vector where attackers can potentially extract sensitive information, perform server-side request forgery attacks, or gain elevated privileges within the system's operational scope.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it represents a fundamental flaw in input validation and security controls within the storage management platform. In enterprise environments where PowerMax arrays are deployed, this vulnerability could enable attackers to compromise the integrity of critical storage infrastructure, potentially leading to data exposure, service disruption, or further lateral movement within the network. The remote exploitability means that threat actors do not require physical access or elevated privileges to attempt exploitation, making it particularly dangerous in cloud and distributed environments.
From a mitigation perspective, organizations should prioritize immediate patching of affected systems to address the XXE vulnerability as outlined in the CWE-611 remediation guidelines. System administrators should implement proper XML parser configurations that disable external entity resolution andDTD processing, while also establishing network segmentation controls to limit access to management interfaces. The vulnerability aligns with ATT&CK technique T1213.002 for data from information repositories and could potentially map to T1566 for credential access through malicious file execution if attackers leverage the unauthorized access for further exploitation. Additionally, implementing web application firewalls and monitoring for suspicious XML traffic patterns would provide additional layers of defense against potential exploitation attempts.
Organizations should also consider conducting comprehensive security assessments of their storage management infrastructure to identify similar vulnerabilities in other components, as XXE flaws often indicate broader issues with input validation controls. The remediation process should include thorough testing to ensure that patches do not negatively impact existing functionality while maintaining the security posture of the overall system architecture.