CVE-2023-48306

MEDIUM

Nextcloud Server 22.0.0-22.2.10.15, 25.0.0-25.0.10 - Server-Side Request Forgery via DNS Rebinding

Title source: llm
STIX 2.1

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, the DNS pin middleware was vulnerable to DNS rebinding allowing an attacker to perform SSRF as a final result. 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.

References (3)

Core 3
Core References
Exploit, Issue Tracking, Patch x_refsource_misc
https://github.com/nextcloud/server/pull/40234
Permissions Required x_refsource_misc
https://hackerone.com/reports/2115212

Scores

CVSS v3 5.0
EPSS 0.0050
EPSS Percentile 66.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Details

CWE
CWE-918
Status published
Products (2)
nextcloud/nextcloud_server 22.0.0 - 22.2.10.16
nextcloud/nextcloud_server 25.0.0 - 25.0.11
Published Nov 21, 2023
Tracked Since Feb 18, 2026