CVE-2020-8227

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.

CVSS v3.1

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

CVSS v2.0

7.1 HIGHAV:N/AC:H/Au:S/C:C/I:C/A:C

EPSS

25.77% chance of exploitation in the next 30 days, 98th percentile

Published

2020-08-21

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://hackerone.com/reports/590319

References

• CVE Record
• NVD entry

Related

• CVE-2020-8224
• CVE-2020-8228
• CVE-2020-8223
• CVE-2020-8229
• CVE-2020-8218
• CVE-2020-8231