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ID

VAR-202110-0078


CVE

CVE-2021-20122


TITLE

Telus Wi-Fi Hub Command injection vulnerability

Trust: 0.6

sources: CNNVD: CNNVD-202110-642

DESCRIPTION

The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is affected by an authenticated command injection vulnerability in multiple parameters passed to tr69_cmd.cgi. A remote attacker connected to the router's LAN and authenticated with a super user account, or using a bypass authentication vulnerability like CVE-2021-20090 could leverage this issue to run commands or gain a shell as root on the target device

Trust: 0.99

sources: NVD: CVE-2021-20122 // VULMON: CVE-2021-20122

IOT TAXONOMY

category:['network device']sub_category:hub

Trust: 0.1

sources: OTHER: None

AFFECTED PRODUCTS

vendor:telusmodel:prv65b444a-s-tsscope:eqversion:3.00.20

Trust: 1.0

sources: NVD: CVE-2021-20122

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20122
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202110-642
value: HIGH

Trust: 0.6

VULMON: CVE-2021-20122
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-20122
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

nvd@nist.gov: CVE-2021-20122
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.2
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: VULMON: CVE-2021-20122 // CNNVD: CNNVD-202110-642 // NVD: CVE-2021-20122

PROBLEMTYPE DATA

problemtype:CWE-78

Trust: 1.0

sources: NVD: CVE-2021-20122

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-642

TYPE

command injection

Trust: 0.6

sources: CNNVD: CNNVD-202110-642

PATCH

title:Telus Wi-Fi Hub Fixes for command injection vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=166206

Trust: 0.6

sources: CNNVD: CNNVD-202110-642

EXTERNAL IDS

db:NVDid:CVE-2021-20122

Trust: 1.8

db:TENABLEid:TRA-2021-41

Trust: 1.7

db:CNNVDid:CNNVD-202110-642

Trust: 0.6

db:OTHERid:NONE

Trust: 0.1

db:VULMONid:CVE-2021-20122

Trust: 0.1

sources: OTHER: None // VULMON: CVE-2021-20122 // CNNVD: CNNVD-202110-642 // NVD: CVE-2021-20122

REFERENCES

url:https://www.tenable.com/security/research/tra-2021-41

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-20122

Trust: 0.6

url:https://ieeexplore.ieee.org/abstract/document/10769424

Trust: 0.1

url:https://cwe.mitre.org/data/definitions/77.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: OTHER: None // VULMON: CVE-2021-20122 // CNNVD: CNNVD-202110-642 // NVD: CVE-2021-20122

SOURCES

db:OTHERid: -
db:VULMONid:CVE-2021-20122
db:CNNVDid:CNNVD-202110-642
db:NVDid:CVE-2021-20122

LAST UPDATE DATE

2025-01-30T20:04:07.756000+00:00


SOURCES UPDATE DATE

db:VULMONid:CVE-2021-20122date:2021-10-18T00:00:00
db:CNNVDid:CNNVD-202110-642date:2021-10-21T00:00:00
db:NVDid:CVE-2021-20122date:2022-06-28T14:11:45.273

SOURCES RELEASE DATE

db:VULMONid:CVE-2021-20122date:2021-10-11T00:00:00
db:CNNVDid:CNNVD-202110-642date:2021-10-11T00:00:00
db:NVDid:CVE-2021-20122date:2021-10-11T17:15:07.497