CVE intelligence and bounded remediation

CVE-2023-27963 — The issue was addressed with additional permissions checks

High CVSS 7.5

The issue was addressed with additional permissions checks. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, tvOS 16.4, watchOS 9.4. A shortcut may be able to use sensitive data with certain actions without prompting the user.

Severity
High
CVSS
7.5 (3.1)
Published
2023-05-08
CISA KEV
Not currently listed
Ecosystem
apple/platform
Weaknesses
CWE-862

Affected products

  • apple / ipados
  • apple / iphone_os
  • apple / macos
  • apple / watchos

Showing 4 representative product identities from 7 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Authorization bypass, IDOR, and cross-tenant access

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

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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