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User enumeration

Platform: ownCloud Server

Versions: 4.0.7,

Date: 7/10/2012

Risk level: Low


apps/calendar/appinfo/remote.php and apps/contacts/appinfo/remote.php in ownCloud before 4.0.7 allows remote authenticated users to enumerate the registered users via unspecified vectors.

Affected Software

  • ownCloud Server < 4.0.7 (CVE-2012-4390)

Action Taken

It is recommended that all instances are upgraded to ownCloud Server 4.0.7.


The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:

  • Florian Preinstorfer – Vulnerability discovery and disclosure.

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