CVE-2025-66510: nextcloud server

csirt@kutim:~/threat-intel/cve/CVE-2025-66510

CVSS 4.9 · Medium EPSS 0,36%

Kerentanan Exposure of Private Personal Information to an Unauthorized Actor pada nextcloud server. Skor CVSS 3.1 4.9 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 5 Desember 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 4.9 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-359: Exposure of Private Personal Information to an Unauthorized Actor
EPSS (30 hari): 0,36% peluang dieksploitasi; lebih tinggi dari 27,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	nextcloud server	Versi 28.0.0 hingga sebelum 28.0.14.11
nextcloud	nextcloud server	Versi 29.0.0 hingga sebelum 29.0.16.8
nextcloud	nextcloud server	Versi 30.0.0 hingga sebelum 30.0.17.3
nextcloud	nextcloud server	Versi 31.0.0 hingga sebelum 31.0.10
nextcloud	nextcloud server	Versi 32.0.0 hingga sebelum 32.0.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59 patch · advisory vendor
https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57 patch
https://github.com/nextcloud/server/pull/55657 issue tracking

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.