Cross-site request forgery in Arris SurfBoard SB8200



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-20120
CWE-ID CWE-352
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Arris Surfboard SB8200
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor ARRIS International Limited

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site request forgery

EUVDB-ID: #VU57617

Risk: Low

CVSSv4.0: 1.1 [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 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Arris Surfboard SB8200: AB01.02.053.01_112320_193.0A.NSH

CPE2.3 External links

https://www.tenable.com/security/research/tra-2021-45


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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