Incorrect authorization in Arris SurfBoard SB8200
Priority LOW 32CWE-863Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
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.
Why it matters now
EPSS 0.00459 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Arris SurfBoard SB8200 | Arris SurfBoard SB8200 AB01.02.053.01_112320_193.0A.NSH | — | No fix listed | CNA |
- Arris SurfBoard SB8200 Vendor— Affected Arris SurfBoard SB8200 AB01.02.053.01_112320_193.0A.NSH Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:commscope:arris_surfboard_sb8200_firmware:ab01.02.053.01_112320_193.0a.nsh:*:*:*:*:*:*:* | ab01.02.053.01_112320_193.0a.nsh | Vulnerable | CommScope, Inc. |
| cpe:2.3:h:commscope:arris_surfboard_sb8200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | CommScope, Inc. |
- cpe:2.3:o:commscope:arris_surfboard_sb8200_firmware:ab01.02.053.01_112320_193.0a.nsh:*:*:*:*:*:*:* Versions ab01.02.053.01_112320_193.0a.nsh Vulnerable ·CommScope, Inc.
- cpe:2.3:h:commscope:arris_surfboard_sb8200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·CommScope, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20119
- 2026-10-03 Alias added: GHSA-8jrg-5v7m-fc9w
References
More CommScope, Inc. Arris Surfboard Sb8200 Firmware vulnerabilities
- TI-2021-03420 Cross-site request forgery in Arris SurfBoard SB8200 CVSS 3.1HIGH 8.8
Sources
- CVE-2021-20119 · CVE Program
- CVE-2021-20119 · NVD
- FIRST EPSS
- GHSA-8jrg-5v7m-fc9w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences