CWE

Common Weakness Enumeration

A community-developed list of SW & HW weaknesses that can become vulnerabilities

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CWE Most Important Hardware Weaknesses
CWE Top 25 Most Dangerous Weaknesses
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2025 Most Important Hardware Weaknesses

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Main MIHW Table

CWE ID Name
CWE-226Sensitive Information in Resource Not Removed Before Reuse
CWE-1189Improper Isolation of Shared Resources on System-on-a-Chip (SoC)
CWE-1191On-Chip Debug and Test Interface With Improper Access Control
CWE-1234Hardware Internal or Debug Modes Allow Override of Locks
CWE-1247Improper Protection Against Voltage and Clock Glitches
CWE-1256Improper Restriction of Software Interfaces to Hardware Features
CWE-1260Improper Handling of Overlap Between Protected Memory Ranges
CWE-1262Improper Access Control for Register Interface
CWE-1300Improper Protection of Physical Side Channels
CWE-1421Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution
CWE-1423Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution



Expert Insights: Weaknesses Beyond Data Trends

CWE-1231Improper Prevention of Lock Bit Modification
CWE-1233Security-Sensitive Hardware Controls with Missing Lock Bit Protection
CWE-1244Internal Asset Exposed to Unsafe Debug Access Level or State
CWE-1272Sensitive Information Uncleared Before Debug/Power State Transition
CWE-1431Driving Intermediate Cryptographic State/Results to Hardware Module Outputs



Page Last Updated: August 18, 2025