Pimcore is an Open Source Data & Experience Management Platform: PIM, MDM, CDP, DAM, DXP/CMS & Digital Commerce. A path traversal vulnerability exists in the `AssetController::importServerFilesAction`, which allows an attacker to overwrite or modify sensitive files by manipulating the pimcore_log parameter.This can lead to potential denial of service---key file overwrite.
The impact of this vulnerability allows attackers to: overwrite or modify sensitive files, potentially leading to unauthorized access, privilege escalation, or disclosure of confidential information. This could also cause a denial of service (DoS) if critical system files are overwritten or deleted.
Pimcore Admin Classic Bundle provides a Backend UI for Pimcore based on the ExtJS framework. An admin who has not setup two factor authentication before is vulnerable for this attack, without need for any form of privilege, causing the application to execute arbitrary scripts/HTML content. This vulnerability has been patched in version 1.0.3.