In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the possibility to fetch typo3conf/LocalConfiguration.php, which again contains the encryptionKey as well as credentials of the database management system being used. In case a database server is directly accessible either via internet or in a shared hosting network, this allows the ability to completely retrieve, manipulate or delete database contents. This includes creating an administration user account - which can be used to trigger remote code execution by injecting custom extensions. This has been patched in versions 9.5.20 and 10.4.6.

Configuration 1 (hide)

OR cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*


No history.


Published : 2020-07-29 17:15

Updated : 2021-10-07 17:16

NVD link : CVE-2020-15099

Mitre link : CVE-2020-15099

JSON object : View

Products Affected


  • typo3

Improper Input Validation