CVE-2021-32741: nextcloud server

csirt@kutim:~/threat-intel/cve/CVE-2021-32741

CVSS 5.3 · Medium EPSS 1,3%

Kerentanan Improper Control of Interaction Frequency pada nextcloud server. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the public share link mount endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.

Rincian

Terbit di NVD: 12 Juli 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-799: Improper Control of Interaction Frequency
EPSS (30 hari): 1,3% peluang dieksploitasi; lebih tinggi dari 70,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nextcloud	nextcloud server	Semua versi sebelum 19.0.13
nextcloud	nextcloud server	Versi 20.0.0 hingga sebelum 20.0.11
nextcloud	nextcloud server	Versi 21.0.0 hingga sebelum 21.0.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/nextcloud/server/pull/26958 patch · advisory pihak ketiga
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-crvj-vmf7-xrvr advisory pihak ketiga
https://hackerone.com/reports/1192144 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.