CVE-2021-20119 — HIGH (7.1)

Vulnerability Description

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.

CVSS Score

7.1

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Commscope	Arris Surfboard Sb8200 Firmware	ab01.02.053.01_112320_193.0a.nsh
Commscope	Arris Surfboard Sb8200	-

Related Weaknesses (CWE)

CWE-863

References

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

FAQ

What is CVE-2021-20119?

CVE-2021-20119 is a vulnerability with a CVSS score of 7.1 (HIGH). 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.

How severe is CVE-2021-20119?

CVE-2021-20119 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20119?

Check the references section above for vendor advisories and patch information. Affected products include: Commscope Arris Surfboard Sb8200 Firmware, Commscope Arris Surfboard Sb8200.