EUVD-2026-42875
GHSA-rhg3-7wm6-r85w
Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-reachable management API requires authenticated low-privileged session (PR:L); AC:H reflects unspecified exploitation prerequisites; C:H only as XXE enables server-side file read with no write or availability impact.
Primary rating from Vendor (emc).
CVSS VectorVendor: emc
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Unauthorized file disclosure in Dell Unisphere for PowerMax 10.3.0.5 and prior is achievable by a remote low-privileged attacker via an XML External Entity (XXE) injection flaw (CWE-611). By submitting crafted XML containing external entity declarations to a vulnerable parsing endpoint, an authenticated attacker can cause the server to read and return sensitive local files or initiate server-side requests, resulting in High confidentiality impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privileged authenticated account on the Unisphere for PowerMax management interface, as confirmed by PR:L in the CVSS vector - unauthenticated remote attackers cannot exploit this vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.3 (Medium) accurately reflects the meaningful constraints on exploitation: High Attack Complexity (AC:H) and Low Privileges Required (PR:L) substantially reduce real-world exploitability compared to the High confidentiality impact (C:H) in isolation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with a low-privileged Unisphere for PowerMax account - whether through credential theft, insider access, or a previously compromised service account - submits a crafted XML request to a vulnerable management API endpoint with an embedded external entity declaration referencing a local file path such as a credentials store or configuration file. The Unisphere XML parser resolves the entity server-side and returns the file contents in the API response, exposing sensitive data the attacker can use for further access. … |
| Remediation | Consult Dell advisory DSA-2026-272 at https://www.dell.com/support/kbdoc/en-us/000483543/ to obtain and apply the vendor-released patch addressing this vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report. |
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