Server-Side Request Forgery (SSRF) in Nextcloud Server and Nextcloud Enterprise Server - CVE-2022-39211

 

Server-Side Request Forgery (SSRF) in Nextcloud Server and Nextcloud Enterprise Server - CVE-2022-39211

Published: September 16, 2022


Vulnerability identifier: #VU67419
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-39211
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server
Nextcloud Enterprise Server

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


How to mitigate CVE-2022-39211

Install updates from vendor's website.

Sources