CVE-2023-28999: nextcloud desktop +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2023-28999

CVSS 6.4 · Medium EPSS 0,68%

Kerentanan Missing Cryptographic Step pada nextcloud desktop, nextcloud. Skor CVSS 3.1 6.4 (Medium) menurut NVD.

Deskripsi (NVD)

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files. This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.

Rincian

Terbit di NVD: 4 April 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.4 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-325: Missing Cryptographic Step
CWE-311: Missing Encryption of Sensitive Data
EPSS (30 hari): 0,68% peluang dieksploitasi; lebih tinggi dari 51,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	desktop	Versi 3.0.0 hingga sebelum 3.8.0
nextcloud	nextcloud	Versi 3.0.5 hingga sebelum 4.8.0
nextcloud	nextcloud	Versi 3.13.0 hingga sebelum 3.25.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/desktop/pull/5560 patch · advisory vendor
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8 advisory vendor
https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_Danie... exploit · deskripsi teknis · advisory pihak ketiga

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.