CVE-2023-48304

Nextcloud Server vulnerable to attacker enabling/disabling birthday calendar for any user

State: Published
Severity: 4.3 Medium
Published: Nov 21, 2023
Updated: Aug 2, 2024
Reserved: Nov 14, 2023

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and starting in version 22.0.0 and prior to versions 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Enterprise Server, an attacker could enable and disable the birthday calendar for any user on the same server. Nextcloud Server 25.0.11, 26.0.6, and 27.1.0 and Nextcloud Enterprise Server 22.2.10.16, 23.0.12.11, 24.0.12.7, 25.0.11, 26.0.6, and 27.1.0 contain patches for this issue. No known workarounds are available.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	GitHub_M

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
security-advisoriesnextcloud	>= 25.0.0, < 25.0.11Affected >= 26.0.0, < 26.0.6Affected >= 27.0.0, < 27.1.0Affected >= 22.0.0, < 22.2.10.16Affected >= 23.0.0, < 23.0.12.11Affected >= 24.0.0, < 24.0.12.7Affected

References

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