CVE-2021-20119

CVSS V2 Medium 4.9 CVSS V3 High 7.1

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.

Overview

CVE ID
CVE-2021-20119

Assigner
vulnreport@tenable.com

Vulnerability Status
Analyzed

Published Version
2021-11-09T19:15:07

Last Modified Date
2021-11-15T15:12:13

Weakness Enumerations

CWE	URL
CWE-863	http://cwe.mitre.org/data/definitions/863.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:commscope:arris_surfboard_sb8200_firmware:ab01.02.053.01_112320_193.0a.nsh:::::::*	1	OR
cpe:2.3:h:commscope:arris_surfboard_sb8200:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
ADJACENT_NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
4.9

Severity
MEDIUM

Exploitability Score
4.4

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.1

Base Severity
HIGH

Exploitability Score
1.2

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.tenable.com/security/research/tra-2021-49	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-20119
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20119

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:47:22				Added to TrackCVE
2022-12-05 14:10:55	2021-11-09T19:15Z	2021-11-09T19:15:07	CVE Published Date	updated
2022-12-05 14:10:55		2021-11-15T15:12:13	CVE Modified Date	updated
2022-12-05 14:10:55		Analyzed	Vulnerability Status	updated