CVE-2023-28644

Reference fetch can saturate the server bandwidth for 10 seconds in nextcloud server

Description

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.

Category

5.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.61%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9wmj-gp8v-477j vendor advisory
https://github.com/nextcloud/server/pull/36016 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-28644?
CVE-2023-28644 has been scored as a medium severity vulnerability.
How to fix CVE-2023-28644?
To fix CVE-2023-28644, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28644 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28644 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28644?
CVE-2023-28644 affects nextcloud security-advisories.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.