Sceawere
Vulnerability Detail
CVE-2026-58574UPDATED Verified Sceawere Triage Sources: NVD / CISA KEV
Dell PowerStore Authentication Bypass Vulnerability
Vulnerability Metadata
- Severity
- Critical
- Score / CVSS
- 9.8
- Creation Date
- 23h ago
- Vendor
- Dell
- Product
- PowerStore 500T
- Attack Type
- CWE-306: Missing Authentication for Critical Function
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Complexity
- LOW
Narrative and Response
Description
Dell PowerStore contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with network access to the restricted management interface could potentially exploit this vulnerability to read internal system information from the appliance filesystem. This is a Critical vulnerability as it could expose sensitive information and credentials which allow full administrative access to the array.
Executive Summary
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Technical Details
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Mitigations
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References
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Additional Metadata
{
"score": "9.8",
"pubDate": "2026-08-31T07:17:44.743Z",
"pubdate": "2026-08-31T07:17:44.743Z",
"executiveSummary": "This vulnerability involves a Missing Authentication for Critical Function flaw within the Dell PowerStore management architecture.\nThe vulnerability allows an unauthenticated, remote attacker with network access to the restricted management interface to bypass security controls and access sensitive internal system data.\nThe primary impact is the unauthorized disclosure of system configuration, internal filesystem metadata, and potentially highly sensitive credentials.\nSuch information exposure facilitates privilege escalation and provides the necessary prerequisites for an attacker to obtain full administrative control over the storage array.\nThe risk is classified as critical due to the potential for total system compromise, data exfiltration, and disruption of storage services.\nExploitation requires only network connectivity to the management interface, bypassing the need for valid user credentials.",
"technicalDetails": "The core issue stems from the improper implementation of access control mechanisms within the Dell PowerStore appliance management interface, specifically concerning a critical function that lacks mandatory authentication checks.\nIn a secure configuration, administrative endpoints require a validated session token or cryptographically signed request to proceed. In this instance, the affected function performs its operation without verifying the identity or session state of the requesting entity.\nAn attacker can exploit this by crafting a specific network request directed at the restricted management interface. Because the endpoint fails to validate authentication, the appliance processes the request as legitimate, granting the attacker access to restricted portions of the filesystem.\nThe exploitation flow initiates with an attacker identifying the reachable management interface on the network. By mapping the API or internal web service endpoints, an attacker can identify the unprotected function. Once identified, the attacker sends a specially crafted request (e.g., via HTTP GET or POST) that invokes the vulnerable function.\nUpon successful invocation, the system returns internal diagnostic data, configuration files, or sensitive credentials stored in the filesystem to the unauthorized user. These credentials may include administrative account hashes, API keys, or system-level configuration parameters.\nThe post-exploitation impact is severe. Once credentials or system-level information are exfiltrated, an attacker can use these artifacts to authenticate as an administrator. This level of access grants the attacker the ability to manage storage volumes, modify snapshots, delete data, or install persistent backdoors within the storage environment.\nThe vulnerability highlights a failure in the application's request pipeline, where authentication middleware is bypassed or incorrectly omitted for critical backend operations. The affected components reside within the management software stack of the Dell PowerStore appliance, which acts as the control plane for the entire storage array.\nNo specific version numbers or internal function names were provided in the input, but the vulnerability is systemic to the management interface's current request handling logic, necessitating immediate intervention to enforce authentication parity across all exposed administrative functions."
}