Skip to content
OpenAdvisories
Low · 3.7 CVE-2023-25161 EUVD-2023-29133

Nextcloud Server's missing rate limiting on password reset functionality allows sending lots of emails

Published Feb 13, 2023 · Updated Mar 10, 2025 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
nextcloud security-advisories = 25.0.0, >= 24.0.0, < 24.0.8, < 23.0.2 —

References