The description above is MITRE’s definition of CWE-926 in CWE 4.20, a variant-level weakness.
Common consequences MITRE lists
- Availability, Integrity: Unexpected State; DoS: Crash, Exit, or Restart; DoS: Instability; Varies by Context
- Availability, Integrity: Unexpected State; Gain Privileges or Assume Identity; DoS: Crash, Exit, or Restart; DoS: Instability; Varies by Context
- Confidentiality, Integrity: Read Application Data; Modify Application Data
Guides on this site
Review mobile storage, links and platform permissions
Keep local artifacts and platform entry points from exposing authority that belongs on the server.
Harden an Android app's storage, network and entry points
Encrypt local secrets with Android Keystore keys now that Jetpack Security is deprecated, set transport policy in Network Security Configuration, close exported components and mutable PendingIntents, confine WebViews, verify App Links and judge Play Integrity verdicts on the server, mapped to OWASP MASVS 2.1.
Worked threat model: a mobile banking app
A complete worked threat model for a mobile banking-style app: the data-flow diagram and its elements, STRIDE threats on the client, the transport and the backend, and the mitigations mapped to OWASP MASVS v2 controls and current Android and iOS platform APIs.
Practice
- Keep an iOS app's storage, links and web bridge in bounds · Local project
- Repair an Android app's links, components, network policy and storage · Local project
References
This page is generated from MITRE’s CWE 4.20 catalogue (released 30 April 2026) and lists every guide, fix card and lab here that cites CWE-926.
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