CVEvulnerability
CVE-2023-32320
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-06-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.7 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-307
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.
Affected configurations
• nextcloud nextcloud server (>= 21.0.0 < 21.0.9.12)
• nextcloud nextcloud server (>= 22.0.0 < 22.2.10.12)
• nextcloud nextcloud server (>= 23.0.0 < 23.0.12.7)
• nextcloud nextcloud server (>= 24.0.0 < 24.0.12.2)
• nextcloud nextcloud server (>= 25.0.0 < 25.0.7)
• nextcloud nextcloud server (>= 26.0.0 < 26.0.2)
Related
Weakness · CWE (1)
- CWE-307 Improper Restriction of Excessive Authentication Attempts weakness
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6xh7-vffg Patch, Vendor Advisory
- https://github.com/nextcloud/server/pull/38274 Patch
- https://hackerone.com/reports/1918525 Permissions Required
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6xh7-vffg Patch, Vendor Advisory
- https://github.com/nextcloud/server/pull/38274 Patch
- https://hackerone.com/reports/1918525 Permissions Required