        function removeListeners() {
          sftp.removeListener('ready', onReady);
          sftp.removeListener('error', onError);
          sftp.removeListener('exit', onExit);
          sftp.removeListener('close', onExit);
        }
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.