CVE intelligence and bounded remediation

CVE-2019-3734 — Dell Emc Unity Operating Environment security vulnerability

Medium CVSS 5.4

Dell EMC Unity and UnityVSA versions prior to 5.0.0.0.5.116 contain an improper authorization vulnerability in NAS Server quotas configuration. A remote authenticated Unisphere Operator could potentially exploit this vulnerability to edit quota configuration of other users.

Severity
Medium
CVSS
5.4 (3.0)
Published
2019-07-18
CISA KEV
Not currently listed
Ecosystem
software/application

Affected products

  • dell / emc_unity_operating_environment
  • dell / emc_unityvsa_operating_environment

Matched remediation archetype

Authorization bypass, IDOR, and cross-tenant access

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Check exposure

  • Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
  • Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
  • Use synthetic fixtures to compare intended access matrices without accessing another user's real data.

Remediate safely

  • Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
  • Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
  • Add deny-by-default policy tests for horizontal and vertical access across every affected transport.

Authoritative sources

Complete CVE record and remediation plan

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