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TenableCVE-2021-20119

HistoryNov 09, 2021 - 7:15 p.m.

CVE-2021-20119

2021-11-0919:15:07

CWE-863

tenable

web.nvd.nist.gov

arris

surfboard

sb8200

password change utility

safety measures bypassed

administrator password

nvd

cve-2021-20119

CVSS2

4.9

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.1

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

17.8%

JSON

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.

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": "Arris SurfBoard SB8200 AB01.02.053.01_112320_193.0A.NSH"
      }
    ]
  }
]

References

www.tenable.com/security/research/tra-2021-49

CVSS2

4.9

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.1

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

17.8%

JSON

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