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hackeroneMichag86H1:1406926
HistoryNov 22, 2021 - 9:25 a.m.

Nextcloud: bypass forced password protection via circles app

2021-11-2209:25:03
michag86
hackerone.com
$100
49
nextcloud
bypass
password protection
circles
bugbounty
vulnerability

EPSS

0.001

Percentile

33.0%

Summary:

A user can bypass password enforcement for link and email shares by using a circle

Steps To Reproduce:

  1. enable forced passwords for link shares and email shares as administrator in the share settings
  2. as user create a circle and add an e-mail-address
  3. share some file to that circle

Supporting Material/References:

Used version: Nextcloud Version 22.2.3 circles version 22.1.1

Impact

A user can create an link that is not password protected even if this is forced by the administrator.

EPSS

0.001

Percentile

33.0%