Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-08-21T21:15:11.967

Last Modified

2024-11-21T05:38:32.633

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: HIGH
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-22
Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	desktop	< 2.6.5	Yes
Operating System	linux	linux_kernel	-	No

References

https://hackerone.com/reports/590319 Exploit, Third Party Advisory ([email protected])
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032 Broken Link, Exploit, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202009-09 Third Party Advisory ([email protected])
https://hackerone.com/reports/590319 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://nextcloud.com/security/advisory/?id=NC-SA-2020-032 Broken Link, Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202009-09 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)