High severity · published Oct 21, 2021
CVE-2021-20120
The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Arris Surfboard Sb8200 Firmware · Commscope
ab01.02.053.01_112320_193.0a.nsh · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20120
Exploit
https://www.tenable.com/security/research/tra-2021-45
More from Arris Surfboard Sb8200 Firmware
7.1
CVE-2021-20119
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