CVE intelligence and bounded remediation

CVE-2022-3589 — An API Endpoint used by Miele's "AppWash" MobileApp in all versions was vulnerable to an authorization bypass

High CVSS 8.1

An API Endpoint used by Miele's "AppWash" MobileApp in all versions was vulnerable to an authorization bypass. A low privileged, remote attacker would have been able to gain read and partial write access to other users data by modifying a small part of a HTTP request sent to the API. Reading or changing the password of another user was not possible, thus no impact to Availability.

Severity
High
CVSS
8.1 (3.1)
Published
2022-11-21
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-639

Affected products

  • miele / appwash

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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