7.5

CVE-2023-28847

Exploit

Nextcloud Server missing brute force protection for passwords of password protected share links

Missing brute force protection for passwords of password protected share links

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.
Mögliche Gegenmaßnahme
Server: No workaround available
Enterprise Server: No workaround available
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nextcloud ≫ Nextcloud Server SwEditionenterprise Version >= 23.0.0 < 23.0.12.6
Nextcloud ≫ Nextcloud Server SwEdition- Version >= 24.0.0 < 24.0.11
Nextcloud ≫ Nextcloud Server SwEditionenterprise Version >= 24.0.0 < 24.0.11
Nextcloud ≫ Nextcloud Server SwEdition- Version >= 25.0.0 < 25.0.5
Nextcloud ≫ Nextcloud Server SwEditionenterprise Version >= 25.0.0 < 25.0.5
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Weitere Schwachstelleninformationen
SystemNextcloud
≫
Produkt Server
Version >= 24.0.0, < 24.0.11
Version >= 25.0.0, < 25.0.5
SystemNextcloud
≫
Produkt Enterprise Server
Version >= 23.0.0, < 23.0.12.6
Version >= 24.0.0, < 24.0.11
Version >= 25.0.0, < 25.0.5
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.493
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
security-advisories@github.com 3.1 1.6 1.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE-307 Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

https://hackerone.com/reports/1894653
Third Party Advisory
Exploit
Issue Tracking