CVE-2021-20119
The password change utility for the Arris SurfBoard SB8200 can have safety measures bypassed that...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-20119- 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 - CVSS 2.0
- 4.9 Medium
AV:A/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-20119- Updated
- 2026-11-02
EUVDEUVD-2021-7576 No score
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.
- Record
EUVD-2021-7576- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jrg-5v7m-fc9w No score
The password change utility for the Arris SurfBoard SB8200 can have safety measures bypassed that...
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.
- Record
GHSA-8jrg-5v7m-fc9w- Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20119 is a high vulnerability (CVSS 7.1) in Commscope Arris Surfboard Sb8200 Firmware, published November 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.