Improper Authentication in Nextcloud Server - CVE-2019-15617
Published: February 4, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30389
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15617
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to read and manipulate data.
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
Affected software
Nextcloud Server
How to mitigate CVE-2019-15617
Install update from vendor's website.
Nextcloud Server - update to 17.0.1