CVE-2021-37628: nextcloud richdocuments

csirt@kutim:~/threat-intel/cve/CVE-2021-37628

CVSS 7.5 · High EPSS 2,1%

Kerentanan Authorization Bypass Through User-Controlled Key pada nextcloud richdocuments. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Nextcloud Richdocuments is an open source collaborative office suite. In affected versions the File Drop features ("Upload Only" public link shares in Nextcloud) can be bypassed using the Nextcloud Richdocuments app. An attacker was able to read arbitrary files in such a share. It is recommended that the Nextcloud Richdocuments is upgraded to 3.8.4 or 4.2.1. If upgrading is not possible then it is recommended to disable the Richdocuments application.

Rincian

Terbit di NVD: 7 September 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-639: Authorization Bypass Through User-Controlled Key
EPSS (30 hari): 2,1% peluang dieksploitasi; lebih tinggi dari 81,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	richdocuments	Semua versi sebelum 3.8.4
nextcloud	richdocuments	Versi 4.0.0 hingga sebelum 4.2.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/richdocuments/pull/1664 patch · advisory pihak ketiga
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxhh-954f-8w7w advisory pihak ketiga
https://hackerone.com/reports/1253403 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.