CVE-2025-43936 in ObjectScale
Summary
by MITRE • 09/16/2026
Dell ObjectScale, versions prior to ObjectScale 4.4.0.0, contains an Improper Authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
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Analysis
by VulDB Data Team • 09/16/2026
The identified security flaw resides within Dell ObjectScale software environments operating on version numbers preceding the critical update release of 4.4.0.0. This specific weakness is classified as an Improper Authentication vulnerability, which fundamentally represents a failure in the system's ability to correctly verify the identity of users or services attempting to access protected resources. In a properly secured architecture, authentication mechanisms must rigorously validate credentials against authoritative sources before granting any level of privilege or data visibility. However, in this affected iteration of Dell ObjectScale, the underlying code fails to enforce these necessary checks for certain endpoints or administrative functions. This deficiency allows an external actor who possesses network connectivity to bypass standard login procedures entirely. The absence of a robust gatekeeping mechanism means that the system accepts requests without confirming whether the sender is authorized, thereby creating a direct pathway for malicious actors to interact with sensitive management interfaces and data stores without providing valid credentials.
From a technical perspective, this vulnerability aligns closely with Common Weakness Enumeration identifier CWE-287, which describes Improper Authentication. The operational impact of such a flaw is severe because ObjectScale serves as the core software-defined storage platform for Dell EMC PowerMax and other enterprise arrays, managing critical data infrastructure. An unauthenticated attacker leveraging remote access can exploit this gap to gain unauthorized administrative control over the cluster. This level of access typically permits the modification of configuration settings, deletion or encryption of stored data, and potentially the establishment of persistent backdoors within the storage environment. The ability to operate without authentication eliminates audit trails that would normally track who performed specific actions, complicating forensic analysis and incident response efforts significantly. Furthermore, since ObjectScale often integrates with broader enterprise IT ecosystems, compromising this component can serve as a pivot point for lateral movement into other parts of the network infrastructure.
The exploitation vector relies on remote accessibility, meaning the vulnerability is exploitable over a network without requiring prior local access or physical interaction with the hardware. This characteristic places it within the Initial Access and Privilege Escalation tactics defined by the MITRE ATT&CK framework, specifically relating to techniques that bypass authentication controls such as Credential Stuffing or more directly Exploitation for Privilege Escalation through broken access control mechanisms. Attackers can utilize automated scanning tools to probe known endpoints associated with Dell ObjectScale management interfaces and attempt requests that should require authentication but are instead processed due to the logic error in the verification process. The success of such an attack depends on the network exposure of these services, highlighting the importance of proper segmentation and firewall rules even before patches are applied.
To mitigate this risk, organizations running affected versions must prioritize immediate remediation by upgrading Dell ObjectScale to version 4.4.0.0 or any subsequent release where the authentication logic has been corrected. Until the patch is deployed, administrators should implement strict network access controls that restrict connectivity to the management interfaces of ObjectScale nodes only from trusted IP addresses and administrative workstations. Utilizing virtual private networks for remote administration can further reduce the attack surface by ensuring that unauthenticated requests do not traverse public or less secure network segments. Additionally, deploying intrusion detection systems configured with signatures specific to Dell ObjectScale exploitation attempts can provide an additional layer of monitoring and alerting. Regular vulnerability assessments should be conducted to ensure no other instances of this software remain in a vulnerable state within the enterprise environment, as unpatched storage management platforms pose significant risks to data integrity and availability.