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CVE-2023-35172 Details

Description

NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextCloud Server versions 25.0.0 until 25.0.7 and 26.0.0 until 26.0.2 and Nextcloud Enterprise Server versions 21.0.0 until 21.0.9.12, 22.0.0 until 22.2.10.12, 23.0.0 until 23.0.12.7, 24.0.0 until 24.0.12.2, 25.0.0 until 25.0.7, and 26.0.0 until 26.0.2, an attacker can bruteforce the password reset links. Nextcloud Server n 25.0.7 and 26.0.2 and Nextcloud Enterprise Server 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, and 26.0.2 contain a patch for this issue. No known workarounds are available.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:8.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/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-mjf5-p765-qmr6	CVE	Vendor Advisory
https://github.com/nextcloud/server/pull/38267	CVE	Issue Tracking
https://hackerone.com/reports/1987062	CVE	Permissions Required
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mjf5-p765-qmr6	[email protected]	Vendor Advisory
https://github.com/nextcloud/server/pull/38267	[email protected]	Issue Tracking
https://hackerone.com/reports/1987062	[email protected]	Permissions Required

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	>= 21.0.0, < 21.0.9.12 >= 22.0.0, < 22.2.10.12 >= 23.0.0, < 23.0.12.7 >= 24.0.0, < 24.0.12.2 >= 25.0.0, < 25.0.7
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]
Jul 5, 2023	Initial Analysis	[email protected]