Description
Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/827816
Vendor Advisory x_refsource_misc
https://nextcloud.com/security/advisory/?id=NC-SA-2020-025
Scores
CVSS v3
8.0
EPSS
0.0021
EPSS Percentile
43.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-284
CWE-281
Status
published
Products (1)
nextcloud/deck
0.8.0
Published
Oct 05, 2020
Tracked Since
Feb 18, 2026