    select: function (context, name) {
      var data = checkName(name, context)
      return data.versions.filter(function (v) {
        return data.released.indexOf(v) === -1
      }).map(nameMapper(data.name))
    }
NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset.