Server-Side Request Forgery (SSRF) in Nextcloud Server - CVE-2020-8118
Published: February 4, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30385
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2020-8118
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to gain access to sensitive information.
An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.
Affected software
Nextcloud Server
How to mitigate CVE-2020-8118
Install update from vendor's website.
Nextcloud Server - update to 16.0.2