CWE-653: Improper Isolation or Compartmentalization

low-risk

The product does not properly compartmentalize or isolate functionality, processes, or resources that require different privilege levels, rights, or permissions.

Abstraction: Class

Common Consequences

Access Control Gain Privileges or Assume Identity

Detection Methods

Automated Static Analysis - Binary or Bytecode

According to SOAR, the following detection techniques may be useful: Cost effective for partial coverage: Compare binary / bytecode to application permission manifest

Manual Static Analysis - Source Code

According to SOAR, the following detection techniques may be useful: Highly cost effective: Manual Source Code Review (not inspections) Cost effective for partial coverage: Focused Manual Spotcheck - Focused manual analysis of source

Architecture or Design Review

According to SOAR, the following detection techniques may be useful: Highly cost effective: Inspection (IEEE 1028 standard) (can apply to requirements, design, source code, etc.) Formal Methods / Correct-By-Construction Cost effective for partial coverage: Attack Modeling

Real-World Examples (10)

CVE CVSS EPSS KEV
CVE-2025-1974 9.8 90.3%
CVE-2025-21590 4.4 0.8% Y
CVE-2025-24986 6.5 0.6%
CVE-2024-49373 4.1 0.6%
CVE-2025-4083 9.1 0.4%
CVE-2023-1305 8.1 0.3%
CVE-2024-57721 6.5 0.3%
CVE-2024-57720 6.5 0.3%
CVE-2024-57723 6.5 0.3%
CVE-2025-26393 5.4 0.3%
2
/ 100
low-risk
Active Threat 1/50 · Minimal
Exploit Availability 1/50 · Minimal