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TenableCVE-2021-20120

HistoryOct 21, 2021 - 5:15 p.m.

CVE-2021-20120

2021-10-2117:15:07

CWE-352

tenable

web.nvd.nist.gov

arris

surfboard

sb8200

csrf

web interface

vulnerability

nvd

cve-2021-20120

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

43.4%

JSON

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.

Affected configurations

Nvd

Node

commscopearris_surfboard_sb8200Match-

AND

commscopearris_surfboard_sb8200_firmwareMatchab01.02.053.01_112320_193.0a.nsh

VendorProductVersionCPE
commscopearris_surfboard_sb8200-cpe:2.3:h:commscope:arris_surfboard_sb8200:-:*:*:*:*:*:*:*
commscopearris_surfboard_sb8200_firmwareab01.02.053.01_112320_193.0a.nshcpe:2.3:o:commscope:arris_surfboard_sb8200_firmware:ab01.02.053.01_112320_193.0a.nsh:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
commscope	arris_surfboard_sb8200	-	cpe:2.3:h:commscope:arris_surfboard_sb8200:-:::::::*
commscope	arris_surfboard_sb8200_firmware	ab01.02.053.01_112320_193.0a.nsh	cpe:2.3:o:commscope:arris_surfboard_sb8200_firmware:ab01.02.053.01_112320_193.0a.nsh:::::::*

CNA Affected

[
  {
    "product": "Arris SurfBoard SB8200",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "AB01.02.053.01_112320_193.0A.NSH"
      }
    ]
  }
]

References

www.tenable.com/security/research/tra-2021-45

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

43.4%

JSON

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