title: Nextcloud Server password reset endpoint is not brute force protected
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.
problem types: CWE-307: Improper Restriction of Excessive Authentication Attempts
affected:
{
vendor: nextcloud
product: security-advisories
versions:
version: Nextcloud Server >= 25.0.0, < 25.0.7, status: affected
version: Nextcloud Server >= 26.0.0, < 26.0.2, status: affected
version: Nextcloud Enterprise Server >= 25.0.0, < 25.0.7, status: affected
version: Nextcloud Enterprise Server >= 26.0.0, < 26.0.2, status: affected
version: Nextcloud Enterprise Server >= 21.0.0, < 21.0.9.12, status: affected
version: Nextcloud Enterprise Server >= 22.0.0, < 22.2.10.12, status: affected
version: Nextcloud Enterprise Server >= 23.0.0, < 23.0.12.7, status: affected
version: Nextcloud Enterprise Server >= 24.0.0, < 24.0.12.2, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 8.7
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
version: 3.1
]