9.8

CVE-2023-49792

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when a (reverse) proxy is configured as trusted proxy the server could be tricked into reading a wrong remote address for an attacker, allowing them executing authentication attempts than intended. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.

Data is provided by the National Vulnerability Database (NVD)
NextcloudNextcloud Server SwEditionenterprise Version >= 23.0.0 < 23.0.12.13
NextcloudNextcloud Server SwEditionenterprise Version >= 24.0.0 < 24.0.12.9
NextcloudNextcloud Server SwEditionenterprise Version >= 25.0.0 < 25.0.13.4
NextcloudNextcloud Server SwEdition- Version >= 26.0.0 < 26.0.9
NextcloudNextcloud Server SwEditionenterprise Version >= 26.0.0 < 26.0.9
NextcloudNextcloud Server SwEdition- Version >= 27.0.0 < 27.1.4
NextcloudNextcloud Server SwEditionenterprise Version >= 27.0.0 < 27.1.4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.35% 0.571
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
security-advisories@github.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.