CVE-2021-20119

7.1 highEPSS 0.5%

High (7.1) in commscope arris surfboard sb8200 firmware. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.1 high

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2021-11-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

commscope:arris_surfboard_sb8200_firmware

References

https://www.tenable.com/security/research/tra-2021-49
https://www.tenable.com/security/research/tra-2021-49

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