What is CVE-2021-20119?

CVE-2021-20119 is a high-severity vulnerability in Commscope Arris Surfboard Sb8200, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2021-11-09.

How severe is CVE-2021-20119?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Commscope Arris Surfboard Sb8200

CVE-2021-20119

The password change utility for the Arris SurfBoard SB8200 can have safety measures bypassed that allow any logged-in user to change the administrator password.

Vulnerability class: Broken Access Control

EPSS: 0.004 (36.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Commscope Arris_surfboard_sb8200
Commscope Arris_surfboard_sb8200_firmware — versions ab01.02.053.01_112320_193.0a.nsh
N/a Arris Surfboard Sb8200 — versions Arris SurfBoard SB8200 AB01.02.053.01_112320_193.0A.NSH

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20119?: CVE-2021-20119 is a high-severity vulnerability in Commscope Arris Surfboard Sb8200, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2021-11-09.
How severe is CVE-2021-20119?: High severity. CVSS v3 base score is 7.1 out of 10.