TYPO3 Direct Mail Extension CVE-2019-16698 Information Disclosure Vulnerability



Date Discovered

October 15, 2019


Direct Mail Extension for TYPO3 is prone to an information-disclosure vulnerability. Successful exploits will allow attackers to obtain sensitive information that may aid in further attacks. dkd Direct Mail Extension versions prior to 5.2.3 are vulnerable.

Technologies Affected

  • dkd Internet Service GmbH Direct Mail 2.0.0
  • dkd Internet Service GmbH Direct Mail 3.0.0
  • dkd Internet Service GmbH Direct Mail 4.0.0
  • dkd Internet Service GmbH Direct Mail 5.0.0
  • dkd Internet Service GmbH Direct Mail 5.1.0
  • dkd Internet Service GmbH Direct Mail 5.1.1
  • dkd Internet Service GmbH Direct Mail 5.2.0
  • dkd Internet Service GmbH Direct Mail 5.2.1
  • dkd Internet Service GmbH Direct Mail 5.2.2


Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn't needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to detect and block attacks and anomalous activity such as requests containing suspicious URI sequences. Since the webserver may log such requests, review logs regularly.

Updates are available. Please see the references or vendor advisory for more information.



Markus Klein

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