CVE-2023-28643: nextcloud server

csirt@kutim:~/threat-intel/cve/CVE-2023-28643

CVSS 8.8 · High EPSS 0,79%

Kerentanan Use of Incorrectly-Resolved Name or Reference pada nextcloud server. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the same name, while a memory cache is configured, the second share will replace the first one instead of being renamed to `{name} (2)`. It is recommended that the Nextcloud Server is upgraded to 25.0.3 or 24.0.9. Users unable to upgrade should avoid sharing 2 folders with the same name to the same user.

Rincian

Terbit di NVD: 30 Maret 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-706: Use of Incorrectly-Resolved Name or Reference
EPSS (30 hari): 0,79% peluang dieksploitasi; lebih tinggi dari 55,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	nextcloud server	Versi 24.0.0 hingga sebelum 24.0.9
nextcloud	nextcloud server	Versi 25.0.0 hingga sebelum 25.0.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhq4-4pr8-wm27 advisory vendor
https://github.com/nextcloud/server/pull/36047 issue tracking · patch
https://github.com/nextcloud/server/issues/34015 exploit · issue tracking

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.