CVE-2021-20120 — HIGH (8.8)

Vulnerability Description

The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks. This means that an attacker could make configuration changes (such as changing the administrative password) without the consent of the user.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Commscope	Arris Surfboard Sb8200 Firmware	ab01.02.053.01_112320_193.0a.nsh
Commscope	Arris Surfboard Sb8200	-

Related Weaknesses (CWE)

CWE-352

References

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

FAQ

What is CVE-2021-20120?

CVE-2021-20120 is a vulnerability with a CVSS score of 8.8 (HIGH). The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks. This means that an attacker could make configuration changes (such as ...

How severe is CVE-2021-20120?

CVE-2021-20120 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20120?

Check the references section above for vendor advisories and patch information. Affected products include: Commscope Arris Surfboard Sb8200 Firmware, Commscope Arris Surfboard Sb8200.