Cross-site request forgery in Arris SurfBoard SB8200
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- 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-352.
Summary
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.
Why it matters now
EPSS 0.00558 46th 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 | AB01.02.053.01_112320_193.0A.NSH | — | No fix listed | CNA |
- Arris SurfBoard SB8200 Vendor— Affected 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-2021-20120
- 2026-10-03 Alias added: GHSA-mmqp-272f-v3vw
References
More CommScope, Inc. Arris Surfboard Sb8200 Firmware vulnerabilities
- TI-2021-03419 Incorrect authorization in Arris SurfBoard SB8200 CVSS 3.1HIGH 7.1
Sources
- CVE-2021-20120 · CVE Program
- CVE-2021-20120 · NVD
- FIRST EPSS
- GHSA-mmqp-272f-v3vw · 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