CVE-2023-48306 MEDIUM

CVE-2023-48306: Nextcloud Server DNS pin middleware can be tricked into DNS rebinding allowing SSRF

Vendor Nextcloud
Product security-advisories
Weakness CWE-918 · SSRF
Published November 21, 2023
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

5.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 21, 2023 CVE published
August 2, 2024 Record updated

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