#VU30326 Missing Authorization in Nextcloud Server - CVE-2020-8139

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Main Vulnerability Database Vulnerabilities #VU30326

#VU30326 Missing Authorization in Nextcloud Server - CVE-2020-8139

Published: March 20, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30326
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-8139
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nextcloud Server
Software vendor:
Nextcloud

Description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.


Remediation

Install update from vendor's website.

External links