What is CVE-2023-25816?

CVE-2023-25816 is a medium-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2023-02-25.

How severe is CVE-2023-25816?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Resource exhaustion in Nextcloud Server

CVE-2023-25816

Nextcloud is an Open Source private cloud software. Versions 25.0.0 and above, prior to 25.0.3, are subject to Uncontrolled Resource Consumption. A user can configure a very long password, consuming more resources on password validation than desired. This issue is patched in 25.0.3 No workaround is available.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.014 (69.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Nextcloud Nextcloud_server
Nextcloud Security-advisories — versions >= 25.0.0, < 25.0.3

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2023-25816?: CVE-2023-25816 is a medium-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2023-02-25.
How severe is CVE-2023-25816?: Medium severity. CVSS v3 base score is 4.3 out of 10.