CVE-2023-39954: nextcloud user oidc

csirt@kutim:~/threat-intel/cve/CVE-2023-39954

CVSS 8.1 · High EPSS 0,44%

Kerentanan Missing Encryption of Sensitive Data pada nextcloud user oidc. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, an attacker that obtained at least read access to a snapshot of the database can impersonate the Nextcloud server towards linked servers. user_oidc 1.3.3 contains a patch. No known workarounds are available.

Rincian

Terbit di NVD: 10 Agustus 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-311: Missing Encryption of Sensitive Data
EPSS (30 hari): 0,44% peluang dieksploitasi; lebih tinggi dari 36,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	user oidc	Versi 1.0.0 hingga sebelum 1.3.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq patch · advisory vendor
https://github.com/nextcloud/user_oidc/pull/636 patch
https://hackerone.com/reports/1994328 permissions required

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.