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Vulnerability Details CVE-2021-39224

Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud OfficeOnline application prior to version 1.1.1 returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. (e.g. an attacker could see that the file `shared.txt` is located within `/files/$username/Myfolder/Mysubfolder/shared.txt`). It is recommended that the OfficeOnline application is upgraded to 1.1.1. As a workaround, one may disable the OfficeOnline application in the app settings.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.7%
CVSS Severity
CVSS v3 Score 3.5
CVSS v2 Score 5.0
Products affected by CVE-2021-39224


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