CVE-2023-48304 Nextcloud Server vulnerable to attacker enabling/disabling birthday calendar for any user

2023-11-2122:06:00

CWE-639

GitHub_M

www.cve.org

nextcloud server

vulnerability

attacker

birthday calendar manipulation

patch

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

20.0%

JSON

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.

CNA Affected

[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 25.0.0, < 25.0.11",
        "status": "affected"
      },
      {
        "version": ">= 26.0.0, < 26.0.6",
        "status": "affected"
      },
      {
        "version": ">= 27.0.0, < 27.1.0",
        "status": "affected"
      },
      {
        "version": ">= 22.0.0, < 22.2.10.16",
        "status": "affected"
      },
      {
        "version": ">= 23.0.0, < 23.0.12.11",
        "status": "affected"
      },
      {
        "version": ">= 24.0.0, < 24.0.12.7",
        "status": "affected"
      }
    ]
  }
]