CVE-2021-22877

Katalog CVE

CVSS 6.5 · Medium EPSS 1,7%

Kerentanan Improper Access Control pada nextcloud server, fedoraproject fedora. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

Rincian

Terbit di NVD

3 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-284: Improper Access Control
CWE-862: Missing Authorization

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 76,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://nextcloud.com/security/advisory/?id=NC-SA-2021-004 broken link · advisory vendor
• https://github.com/nextcloud/server/issues/24600 exploit · issue tracking · patch · advisory pihak ketiga
• https://github.com/nextcloud/server/pull/25224 patch · advisory pihak ketiga
• https://hackerone.com/reports/1061591 issue tracking · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOW...