CVE-2023-25161 LOW

CVE-2023-25161: Nextcloud Server's missing rate limiting on password reset functionality allows sending lots of emails

Vendor Nextcloud
Product security-advisories
Weakness CWE-284
Published February 13, 2023
Last update March 10, 2025

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud Enterprise Server prior to versions 25.0.1 24.0.8, and 23.0.12 missing rate limiting on password reset functionality. This could result in service slowdown, storage overflow, or cost impact when using external email services. Users should upgrade to Nextcloud Server 25.0.1, 24.0.8, or 23.0.12 or Nextcloud Enterprise Server 25.0.1, 24.0.8, or 23.0.12 to receive a patch. No known workarounds are available.

Key dates

02Disclosure timeline

February 13, 2023 CVE published
March 10, 2025 Record updated