Cross-site request forgery in Arris Surfboard SB8200 - CVE-2021-20120

 

Cross-site request forgery in Arris Surfboard SB8200 - CVE-2021-20120

Published: October 25, 2021


Vulnerability identifier: #VU57617
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20120
CWE-ID: CWE-352
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: ARRIS International Limited
Affected software:
Arris Surfboard SB8200

Detailed vulnerability description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker on the local network can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


How to mitigate CVE-2021-20120

Install updates from vendor's website.

Sources