Description
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/661051%2C
Broken Link x_refsource_misc
https://nextcloud.com/security/advisory/?id=NC-SA-2020-038
Exploit, Third Party Advisory
https://hackerone.com/reports/661051
Scores
CVSS v3
5.3
EPSS
0.0017
EPSS Percentile
37.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-657
CWE-347
Status
published
Products (1)
nextcloud/nextcloud_server
19.0.1
Published
Nov 09, 2020
Tracked Since
Feb 18, 2026