CVE-2023-28847

Katalog CVE

CVSS 7.5 · High EPSS 0,77%

Kerentanan Improper Restriction of Excessive Authentication Attempts pada nextcloud server. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server 24.0.0 prior to 24.0.11 and 25.0.0 prior to 25.0.5; as well as Nextcloud Server Enterprise 23.0.0 prior to 23.0.12.6, 24.0.0 prior to 24.0.11, and 25.0.0 prior to 25.0.5; an attacker is not restricted in verifying passwords of share links so they can just start brute forcing the password. Nextcloud Server 24.0.11 and 25.0.5 and Nextcloud Enterprise Server 23.0.12.6, 24.0.11, and 25.0.5 contain a fix for this issue. No known workarounds are available.

Rincian

Terbit di NVD

25 April 2023

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-307: Improper Restriction of Excessive Authentication Attempts

EPSS (30 hari)

0,77% peluang dieksploitasi; lebih tinggi dari 54,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r5wf-xj97-3w7w advisory vendor
• https://github.com/nextcloud/server/pull/35057 issue tracking · patch
• https://hackerone.com/reports/1894653 exploit · issue tracking · advisory pihak ketiga