What’s Vulnerable › Vulnerabilities

CVE-2021-20120

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-21 · updated 2026-06-17
• Weakness: CWE-352

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 products

• Arris SurfBoard SB8200: ab01.02.053.01_112320_193.0a.nsh

References

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

Get alerted when CVE-2021-20120 or the next vulnerability affects your stack