{"id":"CVE-2021-20120","aliases":["EUVD-2021-7577","GHSA-mmqp-272f-v3vw"],"status":"published","title":"The administration web interface for the Arris Surfboard SB8200 lacks any protections against...","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00558,"percentile":0.46789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-10-21T16:27:20Z","modified":"2026-06-17T03:33:18Z","products":[{"vendor":"commscope","product":"arris_surfboard_sb8200_firmware"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2021-45","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20120"},{"url":"https://github.com/advisories/GHSA-mmqp-272f-v3vw"}],"sources":{"cve":[{"id":"CVE-2021-20120","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.","status":"published","published":"2021-10-21T16:27:20Z","modified":"2024-08-03T17:30:07.478Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7577","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.","status":"published","published":"2021-10-21T16:27:20Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-mmqp-272f-v3vw","title":"The administration web interface for the Arris Surfboard SB8200 lacks any protections against...","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.","status":"published","published":"2022-05-24T19:18:28Z","modified":"2023-01-30T05:02:57Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:46:44.594683Z"}],"nvd":[{"id":"CVE-2021-20120","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.","status":"published","published":"2021-10-21T17:15:07.69Z","modified":"2026-06-17T03:33:18.33Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:00.137719Z"}]}}