CVE-2023-32490 in PowerScale OneFS
Summary
by MITRE • 08/16/2023
Dell PowerScale OneFS 8.2x -9.5x contains an improper privilege management vulnerability. A high privilege local attacker could potentially exploit this vulnerability, leading to system takeover.
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Analysis
by VulDB Data Team • 02/20/2026
The vulnerability identified as CVE-2023-32490 affects Dell PowerScale OneFS versions ranging from 8.2x through 9.5x, representing a critical improper privilege management flaw that undermines the system's security posture. This vulnerability resides within the privilege management mechanisms of the storage operating system, specifically targeting how the system handles user permissions and access controls. The flaw enables a local attacker with high privilege access to potentially escalate their privileges further or gain unauthorized control over the entire system.
The technical nature of this vulnerability stems from inadequate privilege validation and enforcement within the OneFS operating system architecture. When a local user already possesses high privileges, the system fails to properly verify or restrict their actions, creating a pathway for privilege escalation attacks. This weakness allows the attacker to bypass normal access control mechanisms that should prevent unauthorized elevation of privileges. The vulnerability manifests in the system's privilege management subsystem where proper checks and balances are insufficient to prevent malicious actions by users who already hold elevated permissions.
From an operational impact perspective, this vulnerability poses significant risks to enterprise storage environments that rely on Dell PowerScale appliances. A successful exploitation could lead to complete system compromise, allowing attackers to access sensitive data, modify system configurations, or disrupt storage services. The impact extends beyond simple privilege escalation as it could enable attackers to establish persistent access, potentially leading to data exfiltration or service disruption. Organizations using affected OneFS versions face heightened risk of unauthorized access to critical storage infrastructure that may contain confidential corporate data, customer information, or intellectual property.
Security professionals should consider this vulnerability in the context of the ATT&CK framework, particularly under the privilege escalation and defense evasion tactics. The CWE classification for improper privilege management typically falls under CWE-276, which addresses improper privileges. Mitigation strategies must include immediate patching of affected systems to the latest OneFS versions that address this specific vulnerability. Organizations should also implement additional monitoring and access control measures to detect unusual privilege usage patterns. Network segmentation and principle of least privilege enforcement can help limit the potential damage from such vulnerabilities. Regular security assessments and vulnerability scanning should be conducted to identify similar privilege management issues in other enterprise systems and storage appliances.