CVE-2023-48304CWE-639

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

Medium · published November 21, 2023

CVSS v3.1
4.3
EPSS
1%
Percentile
48.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00604 · 48.2th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2023-11-21T22:06Z
EPSS history
Timeline
  • 21 NOV 22:06Z
    Nextcloud Server vulnerable to attacker enabling/disabling birthday calendar for any user
    cvelistv5