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CVE-2025-66510: nextcloud server from 28.0.0 (inclusive), before 28.0.14.11 (exclusive), from 29.0.0 (inclusive), before 29.0.16.8…
CVE-2025-66510. CVSS 3.1 base score 4.9 (MEDIUM, NVD). EPSS 0.00358 (percentile 0.27983), scored 17-Oct-2026.
Affected technology
nextcloud server · from 28.0.0 (inclusive), before 28.0.14.11 (exclusive)
nextcloud
nextcloud server · from 29.0.0 (inclusive), before 29.0.16.8 (exclusive)
nextcloud
nextcloud server · from 30.0.0 (inclusive), before 30.0.17.3 (exclusive)
nextcloud
nextcloud server · from 31.0.0 (inclusive), before 31.0.10 (exclusive)
nextcloud
nextcloud server · from 32.0.0 (inclusive), before 32.0.1 (exclusive)
nextcloud
security-advisories · >= 32.0.0beta1, < 32.0.1, < 31.0.10
nextcloud
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · High privileges required · User interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · High privileges required · No user interaction required
What an attacker can do
An authenticated user can retrieve information about accounts that are not related or added as contacts. Vendor/CNA’s CVSS 3.1 assessment (base score 4.5/10) rates confidentiality impact as high; integrity and availability impact as none. NVD’s CVSS 3.1 assessment (base score 4.9/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-359
- CCR priority
- 19.7 /100 (P5)
- CVSS 3.1
- 4.9 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N · NVD
- EPSS
- 0.00358 · percentile 0.27983 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-18 15:50:37.644431+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-66510.html