Vulnerability Description
Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in parallel, all of them were executed even if the amount of faulty requests succeeded the limit by the time the response was sent to the client. This allowed someone to send as many requests the server could handle in parallel to bruteforce protected details instead of the configured limit, default 8. Nextcloud Server versions 25.0.7 and 26.0.2 and Nextcloud Enterprise Server versions 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7 and 26.0.2 contain patches for this issue.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 21.0.0, < 21.0.9.12 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6PatchVendor Advisory
- https://github.com/nextcloud/server/pull/38274Patch
- https://hackerone.com/reports/1918525Permissions Required
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6PatchVendor Advisory
- https://github.com/nextcloud/server/pull/38274Patch
- https://hackerone.com/reports/1918525Permissions Required
FAQ
What is CVE-2023-32320?
CVE-2023-32320 is a vulnerability with a CVSS score of 8.7 (HIGH). Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in parallel, all of them were executed even if the amount of faulty reques...
How severe is CVE-2023-32320?
CVE-2023-32320 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-32320?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.