Vulnerabilities > CVE-2020-8139 - Missing Authorization vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://hackerone.com/reports/788257
- https://hackerone.com/reports/788257
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-015
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-015