diff --git a/dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nvdcve/CveDB.java b/dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nvdcve/CveDB.java
index f629aa879..78e8a2924 100644
--- a/dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nvdcve/CveDB.java
+++ b/dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nvdcve/CveDB.java
@@ -87,7 +87,9 @@ public class CveDB {
      * @throws DatabaseException thrown if there is an error opening the database connection
      */
     public final void open() throws DatabaseException {
-        conn = ConnectionFactory.getConnection();
+        if (!isOpen()) {
+            conn = ConnectionFactory.getConnection();
+        }
     }
 
     /**