7.1

CVE-2020-8227

Exploit

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.

Data is provided by the National Vulnerability Database (NVD)
Nextcloud ≫ Desktop Version < 2.6.5
   Linux ≫ Linux Kernel Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 6.63% 0.908
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.8 0.9 5.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 7.1 3.9 10
AV:N/AC:H/Au:S/C:C/I:C/A:C
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

https://hackerone.com/reports/590319
Third Party Advisory
Exploit