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.
References (3)
Core 3
Core References
Permissions Required x_refsource_misc
https://hackerone.com/reports/788257
Vendor Advisory x_refsource_confirm
https://nextcloud.com/security/advisory/?id=NC-SA-2020-015
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
Scores
CVSS v3
6.5
EPSS
0.0032
EPSS Percentile
54.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-284
CWE-862
Status
published
Products (2)
fedoraproject/fedora
32
nextcloud/nextcloud_server
16.0.0 - 16.0.9
Published
Mar 20, 2020
Tracked Since
Feb 18, 2026