Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
https://security.gentoo.org/glsa/202009-09
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032
https://hackerone.com/reports/590319
Source: Mitre, NVD
Published: 2020-08-21
Updated: 2022-09-27
Base Score: 7.1
Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 6.8
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Severity: Medium