<?php

class Denkmal_Component_ChangePassword extends Denkmal_Component_Abstract {

    public function prepare(CM_Frontend_Environment $environment, CM_Frontend_ViewResponse $viewResponse) {
    }

    public function checkAccessible(CM_Frontend_Environment $environment) {
        $this->_checkViewer($environment);
    }
}

<?php

class Denkmal_Component_ChangePassword extends Denkmal_Component_Abstract {

    public function prepare(CM_Frontend_Environment $environment, CM_Frontend_ViewResponse $viewResponse) {
    }
}

--- 
+++ 
@@ -4,4 +4,8 @@
 
     public function prepare(CM_Frontend_Environment $environment, CM_Frontend_ViewResponse $viewResponse) {
     }
+
+    public function checkAccessible(CM_Frontend_Environment $environment) {
+        $this->_checkViewer($environment);
+    }
 }
Add check accessibility for change password component
