Server-Side Request Forgery (SSRF) in Nextcloud Server - CVE-2020-8118

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Main Vulnerability Database Vulnerabilities #VU30385

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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-8118
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server

Detailed vulnerability description

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.


How to mitigate CVE-2020-8118

Install update from vendor's website.

Sources