VULNERABILITY INTELLIGENCE

CVE-2020-8227

CVSS score6.8 MEDIUM

EPSS probability25.77%

CISA KEVNot currently listed

Published2020-08-21

Last modified2026-06-17

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

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.

Weakness classification

support@hackerone.com: CWE-22
nvd@nist.gov: CWE-22

Primary references

support@hackerone.com — Exploit, Third Party Advisory
support@hackerone.com — Broken Link, Exploit, Vendor Advisory
support@hackerone.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory