SB2020032013 - Missing Authorization in Nextcloud Server
Published: March 20, 2020 Updated: July 17, 2020
Security Bulletin ID
SB2020032013
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authorization (CVE-ID: CVE-2020-8139)
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.