CVE-2020-8139 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://hackerone.com/reports/788257 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/ https://nextcloud.com/security/advisory/?id=NC-SA-2020-015

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5