Vulnerability Details CVE-2025-66510
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users (emails, names, identifiers) without proper access control. This allows an authenticated user to retrieve information about accounts that are not related or added as contacts.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.7%
CVSS Severity
CVSS v3 Score 4.5
References
Products affected by CVE-2025-66510
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.14
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.14.4
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.14.6
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.14
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.15
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.16
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.14
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:32.0.0