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CVE-2021-20120

HIGH
8.8
CVSS Score
Published: October 21, 2021 at 04:27 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
3 products affected across 2 vendorsArris Surfboard SB8200 FirmwareArris Surfboard Sb8200Arris SurfBoard SB8200

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.tenable.com/security/research/tra-2021-45

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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