Improper access control in Nextcloud End-to-End Encryption - CVE-2023-35173

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Main Vulnerability Database Vulnerabilities #VU77664

Improper access control in Nextcloud End-to-End Encryption - CVE-2023-35173

Published: June 23, 2023


Vulnerability identifier: #VU77664
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-35173
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nextcloud End-to-End Encryption
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. A remote user can provide an invalid meta data file and make previously dropped files inaccessible.


Remediation

Install updates from vendor's website.

External links