CVE-2021-20120: commscope arris_surfboard_sb8200_firmware Cross-Site Request Forgery (CSRF)

Vulnerability summary

CVE-2021-20120 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in commscope arris_surfboard_sb8200_firmware. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 21-10-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-352Cross-Site Request Forgery (CSRF)The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.