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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CWE Top 25 Archive

Past versions of the CWE Top 25 documents are included on this page. See the CWE Top 25 page for the most current version.

2022 CWE Top 25

2021 CWE Top 25

2020 CWE Top 25

2019 CWE Top 25

2011 CWE/SANS Top 25 (PDF)
Monster Mitigations
Contributors
On The Cusp
Top 25 Q & A
Training Materials

2010 CWE/SANS Top 25 (PDF)
Monster Mitigations
Supporting Quotes
Contributors
On The Cusp
Change Log
Process
Top 25 Q & A
Focus Profiles
Training Materials

2009 CWE/SANS Top 25 (PDF)
Supporting Quotes
Contributors
On The Cusp
Change Log
Process
Top 25 Q & A
Training Materials
Page Last Updated: June 21, 2023