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# Exploit Title: LimeSurvey 4.1.11 - 'File Manager' Path Traversal # Date: 2020-04-02 # Exploit Author: Matthew Aberegg, Michael Burkey # Vendor Homepage: https://www.limesurvey.org # Version: LimeSurvey 4.1.11+200316 # Tested on: Ubuntu 18.04.4 # CVE : CVE-2020-11455 # Vulnerability Details # Description : A path traversal vulnerability exists within the "File Manager" functionality of LimeSurvey # that allows an attacker to download arbitrary files. The file manager functionality will also # delete the file after it is downloaded (if the web service account has permissions to do so), # allowing an attacker to cause a denial of service by specifying a critical LimeSurvey configuration file. Vulnerable Parameter : "path" # POC https://TARGET/limesurvey/index.php/admin/filemanager/sa/getZipFile?path=/../../../../../../../etc/passwd