Resource exhaustion in Nextcloud Server

CVE-2023-28644

Nextcloud server is an open source home cloud implementation. In releases of the 25.0.x branch before 25.0.3 an inefficient fetch operation may impact server performances and/or can lead to a denial of service. This issue has been addressed and it is recommended that the Nextcloud Server is upgraded to 25.0.3. There are no known workarounds for this vulnerability.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-28644?
CVE-2023-28644 is a medium-severity vulnerability in Nextcloud Server, classified under Uncontrolled Resource Consumption. CVSS score: 5.7/10. Published 2023-03-30.
How severe is CVE-2023-28644?
Medium severity. CVSS v3 base score is 5.7 out of 10.