CVE-2021-32657: Malicious user could break user administration page
Nextcloud Server is a Nextcloud package that handles data storage. In versions of Nextcloud Server prior to 10.0.11, 20.0.10, and 21.0.2, a malicious user may be able to break the user administration page. This would disallow administrators to administrate users on the Nextcloud instance. The vulnerability is fixed in versions 19.0.11, 20.0.10, and 21.0.2. As a workaround, administrators can use the OCC command line tool to administrate the Nextcloud users.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-32657?
CVE-2021-32657 is considered a medium severity vulnerability due to its potential impact on user administration in Nextcloud Server.
How do I fix CVE-2021-32657?
To fix CVE-2021-32657, upgrade Nextcloud Server to version 10.0.11, 20.0.10, or 21.0.2 or later.
What are the affected versions of Nextcloud Server for CVE-2021-32657?
CVE-2021-32657 affects Nextcloud Server versions prior to 10.0.11, 20.0.10, and 21.0.2.
What type of attack is associated with CVE-2021-32657?
CVE-2021-32657 allows a malicious user to disrupt the user administration page, impacting administrator functionalities.
Who is primarily affected by CVE-2021-32657?
Administrators of Nextcloud Server who manage user accounts are primarily affected by CVE-2021-32657.