CVE-2016-9464

MEDIUM Year: 2016
CVSS v3 Score
4.3
Medium
CVSS v2 Score
4.0
Medium
Weakness Type
CWE-285
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Vulnerability Description

Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares. The Sharing Backend as implemented in Nextcloud does differentiate between shares to users and groups. In case of a received group share, users should be able to unshare the file to themselves but not to the whole group. The previous API implementation simply unshared the file to all users in the group.

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