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Vulnerability record · CVE-2022-41969 · published 1 December 2022

CVE-2022-41969: Nextcloud server uncontrolled resource consumption vulnerability

Nextcloud · Nextcloud Server

Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.11, 24.0.7, and 25.0.0, there is no password length limit when creating a user as an administrator. An administrator can cause a limited DoS attack against their own server. Versions 23.0.11, 24.0.7, and 25.0.0 contain a fix for the issue. As a workaround, don't create user accounts with long passwords.

2.7 CVSS 3.1 Low EPSS 0.84% · top 43.7% CWE-400 · Uncontrolled resource consumptionCWE-521 · Weak password requirements
2.7CVSS 3.1 base score
0.84%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.11, 24.0.7, and 25.0.0, there is no password length limit when creating a user as an administrator. An administrator can cause a limited DoS attack against their own server. Versions 23.0.11, 24.0.7, and 25.0.0 contain a fix for the issue. As a workaround, don't create user accounts with long passwords.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4gm7-j7wg-m4fx Third Party Advisory
https://github.com/nextcloud/server/pull/34500 PatchThird Party Advisory
https://hackerone.com/reports/1727424 Permissions RequiredThird Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4gm7-j7wg-m4fx Third Party Advisory
https://github.com/nextcloud/server/pull/34500 PatchThird Party Advisory
https://hackerone.com/reports/1727424 Permissions RequiredThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-41969), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.