We also describe how we are trying to address the limitations of existing names and descriptions.
A separate document contrasts the CWE-699 and CWE-1000 approaches with those of Seven Pernicious Kingdoms, which has its own view in CWE 1.0, CWE-700. It can be found at: http://cwe.mitre.org/documents/views/view-comparison.html
Seven Pernicious Kingdoms (CWE-700)
One of the most familiar taxonomies is Seven Pernicious Kingdoms [7PK]. Its focus is on weaknesses that can be analyzed by tools, preferring "concrete and specific problems" over "abstract and theoretical ones." It defines 7 kingdoms (plus an extra kingdom), which are broad categories that decompose into phyla. Some examples of the pernicious kingdoms are input validation, API abuse, and security features.