CVE-2020-8227

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
n/a	Desktop Client	2.6.5

References

https://hackerone.com/reports/590319Exploit, Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032Broken Link, Exploit, Vendor Advisory
https://security.gentoo.org/glsa/202009-09Third Party Advisory
https://hackerone.com/reports/590319Exploit, Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032Broken Link, Exploit, Vendor Advisory
https://security.gentoo.org/glsa/202009-09Third Party Advisory

Timeline

Published: Aug 21, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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