1 files changed, 4 insertions, 1 deletions
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
index 18b05b5803..4a2c2cfe64 100644
--- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
@@ -2,7 +2,7 @@
   Main file for cp shell level 2 function.
 
   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
-  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -101,6 +101,9 @@ CopySingleFile(
     // possibly return based on response
     //
     if (!SilentMode) {
+      if (Response == NULL) {
+        return SHELL_ABORTED;
+      }
       switch (*(SHELL_PROMPT_RESPONSE*)Response) {
         case ShellPromptResponseNo:
           //