Description
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the public key to decrypt them later on.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/743505
Broken Link, Vendor Advisory x_refsource_misc
https://nextcloud.com/security/advisory/?id=NC-SA-2020-040
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/54
Scores
CVSS v3
4.4
EPSS
0.0004
EPSS Percentile
11.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-522
Status
published
Products (1)
nextcloud/nextcloud_server
< 20.0.0
Published
Nov 16, 2020
Tracked Since
Feb 18, 2026