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CVE-2023-39960 Details

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing protection allows an attacker to brute force passwords on the WebDAV API. Nextcloud Server 25.0.9 and 26.0.4 and Nextcloud Enterprise Server 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4 contain patches for this issue. No known workarounds are available.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9	CVE	Vendor Advisory
https://github.com/nextcloud/server/pull/38046	CVE	Issue TrackingPatch
https://hackerone.com/reports/1924212	CVE	Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9	[email protected]	Vendor Advisory
https://github.com/nextcloud/server/pull/38046	[email protected]	Issue TrackingPatch
https://hackerone.com/reports/1924212	[email protected]	Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-307	Improper Restriction of Excessive Authentication Attempts	[email protected]

Affected Products

Product	Versions
nextcloud nextcloud server	>= 22.0.0, < 22.2.10.14 >= 23.0.0, < 23.0.12.9 >= 24.0.0, < 24.0.12.5 >= 25.0.0, < 25.0.9 >= 26.0.0, < 26.0.4
CPE cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::* cpe:2.3:a:nextcloud:nextcloud_server:::::-:::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 18, 2023	Initial Analysis	[email protected]