diff -Nuar a/vendor/magento/module-catalog-search/Model/Indexer/Fulltext/Action/DataProvider.php b/vendor/magento/module-catalog-search/Model/Indexer/Fulltext/Action/DataProvider.php
index cd2529a8fd7..f5d41983187 100644
--- a/vendor/magento/module-catalog-search/Model/Indexer/Fulltext/Action/DataProvider.php
+++ b/vendor/magento/module-catalog-search/Model/Indexer/Fulltext/Action/DataProvider.php
@@ -572,11 +572,11 @@ class DataProvider
         foreach ($indexData as $entityId => $attributeData) {
             foreach ($attributeData as $attributeId => $attributeValues) {
                 $value = $this->getAttributeValue($attributeId, $attributeValues, $storeId);
-                if (!empty($value)) {
+                if ($value !== null && $value !== false && $value !== '') {
                     if (!isset($index[$attributeId])) {
                         $index[$attributeId] = [];
                     }
-                        $index[$attributeId][$entityId] = $value;
+                    $index[$attributeId][$entityId] = $value;
                 }
             }
         }
diff -Nuar a/vendor/magento/module-elasticsearch/Model/Adapter/BatchDataMapper/ProductDataMapper.php b/vendor/magento/module-elasticsearch/Model/Adapter/BatchDataMapper/ProductDataMapper.php
index 270ca37e2d4..e9f2159b0c0 100644
--- a/vendor/magento/module-elasticsearch/Model/Adapter/BatchDataMapper/ProductDataMapper.php
+++ b/vendor/magento/module-elasticsearch/Model/Adapter/BatchDataMapper/ProductDataMapper.php
@@ -195,7 +195,7 @@ class ProductDataMapper implements BatchDataMapperInterface
         $productAttributes = [];
 
         $retrievedValue = $this->retrieveFieldValue($attributeValues);
-        if ($retrievedValue) {
+        if ($retrievedValue !== null) {
             $productAttributes[$attribute->getAttributeCode()] = $retrievedValue;
 
             if ($attribute->getIsSearchable()) {
@@ -320,8 +320,8 @@ class ProductDataMapper implements BatchDataMapperInterface
      */
     private function retrieveFieldValue(array $values)
     {
-        $values = \array_filter(\array_unique($values));
+        $values = array_unique($values);
 
-        return count($values) === 1 ? \array_shift($values) : \array_values($values);
+        return count($values) === 1 ? array_shift($values) : array_values($values);
     }
 }
diff -Nuar a/vendor/magento/module-elasticsearch/SearchAdapter/Filter/Builder/Term.php b/vendor/magento/module-elasticsearch/SearchAdapter/Filter/Builder/Term.php
index ed8cd049d29..fbe61c110b6 100644
--- a/vendor/magento/module-elasticsearch/SearchAdapter/Filter/Builder/Term.php
+++ b/vendor/magento/module-elasticsearch/SearchAdapter/Filter/Builder/Term.php
@@ -31,7 +31,7 @@ class Term implements FilterInterface
     public function buildFilter(RequestFilterInterface $filter)
     {
         $filterQuery = [];
-        if ($filter->getValue()) {
+        if ($filter->getValue() !== false) {
             $operator = is_array($filter->getValue()) ? 'terms' : 'term';
             $filterQuery []= [
                 $operator => [