diff --git a/vendor/magento/module-catalog-import-export/Model/Import/Uploader.php b/vendor/magento/module-catalog-import-export/Model/Import/Uploader.php
index 4ce1c0e39d6..5fd42f9491d 100644
--- a/vendor/magento/module-catalog-import-export/Model/Import/Uploader.php
+++ b/vendor/magento/module-catalog-import-export/Model/Import/Uploader.php
@@ -35,13 +35,6 @@ class Uploader extends \Magento\MediaStorage\Model\File\Uploader
     protected $_tmpDir = '';
 
     /**
-     * Download directory for url-based resources.
-     *
-     * @var string
-     */
-    private $downloadDir;
-
-    /**
      * Destination directory.
      *
      * @var string
@@ -143,7 +136,6 @@ class Uploader extends \Magento\MediaStorage\Model\File\Uploader
             $this->_setUploadFile($filePath);
         }
         $this->random = $random ?: ObjectManager::getInstance()->get(\Magento\Framework\Math\Random::class);
-        $this->downloadDir = DirectoryList::getDefaultConfig()[DirectoryList::TMP][DirectoryList::PATH];
     }
 
     /**
@@ -179,8 +171,7 @@ class Uploader extends \Magento\MediaStorage\Model\File\Uploader
             $driver = ($matches[0] === $this->httpScheme) ? DriverPool::HTTP : DriverPool::HTTPS;
             $tmpFilePath = $this->downloadFileFromUrl($url, $driver);
         } else {
-            $tmpDir = $this->getTmpDir() ? ($this->getTmpDir() . '/') : '';
-            $tmpFilePath = $this->_directory->getRelativePath($tmpDir . $fileName);
+            $tmpFilePath = $this->_directory->getRelativePath($this->getTempFilePath($fileName));
         }
 
         $this->_setUploadFile($tmpFilePath);
@@ -217,8 +208,13 @@ class Uploader extends \Magento\MediaStorage\Model\File\Uploader
         $tmpFileName = str_replace(".$fileExtension", '', $fileName);
         $tmpFileName .= '_' . $this->random->getRandomString(16);
         $tmpFileName .= $fileExtension ? ".$fileExtension" : '';
-        $tmpFilePath = $this->_directory->getRelativePath($this->downloadDir . '/' . $tmpFileName);
+        $tmpFilePath = $this->_directory->getRelativePath($this->getTempFilePath($tmpFileName));
 
+        if (!$this->_directory->isWritable($this->getTmpDir())) {
+            throw new \Magento\Framework\Exception\LocalizedException(
+                __('Import images directory must be writable in order to process remote images.')
+            );
+        }
         $this->_directory->writeFile(
             $tmpFilePath,
             $this->_readFactory->create($url, $driver)->readAll()
@@ -382,6 +378,19 @@ class Uploader extends \Magento\MediaStorage\Model\File\Uploader
     }
 
     /**
+     * Append temp path to filename
+     *
+     * @param string $filename
+     * @return string
+     */
+    private function getTempFilePath(string $filename): string
+    {
+        return $this->getTmpDir()
+            ? rtrim($this->getTmpDir(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $filename
+            : $filename;
+    }
+
+    /**
      * @inheritdoc
      */
     protected function chmod($file)