CVE-2023-25161 - CVE House

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Status published Low CVE-2023-25161

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

3.7 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from nextcloud

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Affected Vendor

nextcloud

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Affected Software

security-advisories

Vulnerable Versions:

= 25.0.0, >= 24.0.0, < 24.0.8, < 23.0.2

Timeline

Official Publish: February 13th, 2023

Last Modified: March 10th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1213 Data from Information Repositories

T1565.002 Stored Data Manipulation