Improper access control in Nextcloud Server and Nextcloud Enterprise Server - CVE-2023-25161

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Main Vulnerability Database Vulnerabilities #VU72493

Improper access control in Nextcloud Server and Nextcloud Enterprise Server - CVE-2023-25161

Published: February 22, 2023


Vulnerability identifier: #VU72493
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-25161
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nextcloud Server
Nextcloud Enterprise Server
Software vendor:
Nextcloud

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the password reset functionality. A remote attacker can send lots of emails, leading to service slowdown, storage overflow and cost impact when using external email services.


Remediation

Install updates from vendor's website.

External links