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NVD Vulnerability Details :
CVE-2025-66510
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-05 Dec, 2025 | 17:16
Updated At-10 Dec, 2025 | 16:12

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.14.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Primary3.14.9MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 4.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 4.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CPE Matches
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 28.0.0(inclusive) to 28.0.14.11(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 29.0.0(inclusive) to 29.0.16.8(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 30.0.0(inclusive) to 30.0.17.3(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 31.0.0(inclusive) to 31.0.10(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 31.0.0(inclusive) to 31.0.10(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 32.0.0(inclusive) to 32.0.1(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
Weaknesses
CWE IDTypeSource
CWE-359Primarysecurity-advisories@github.com
CWE ID: CWE-359
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59security-advisories@github.com
Patch
Vendor Advisory
https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57security-advisories@github.com
Patch
https://github.com/nextcloud/server/pull/55657security-advisories@github.com
Issue Tracking
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59
Source: security-advisories@github.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/nextcloud/server/pull/55657
Source: security-advisories@github.com
Resource:
Issue Tracking
Change History
0Changes found
Details not found