CVE-2021-39225: nextcloud deck

csirt@kutim:~/threat-intel/cve/CVE-2021-39225

CVSS 8.1 · High EPSS 1,3%

Kerentanan Authorization Bypass Through User-Controlled Key pada nextcloud deck. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

Nextcloud is an open-source, self-hosted productivity platform. A missing permission check in Nextcloud Deck before 1.2.9, 1.4.5 and 1.5.3 allows another authenticated users to access Deck cards of another user. It is recommended that the Nextcloud Deck App is upgraded to 1.2.9, 1.4.5 or 1.5.3. There are no known workarounds aside from upgrading.

Rincian

Terbit di NVD: 25 Oktober 2021
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-639: Authorization Bypass Through User-Controlled Key
CWE-862: Missing Authorization
EPSS (30 hari): 1,3% peluang dieksploitasi; lebih tinggi dari 70,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	deck	Semua versi sebelum 1.2.9
nextcloud	deck	Versi 1.3.0 hingga sebelum 1.4.5
nextcloud	deck	Versi 1.5.0 hingga sebelum 1.5.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/deck/pull/3316 patch · advisory pihak ketiga
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2x96-38qg-3m72 advisory pihak ketiga
https://hackerone.com/reports/1331728 permissions required · 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.