CVE-2021-20121

Description

The Telus Wi-Fi Hub (PRV65B444A-S-TS) with firmware version 3.00.20 is vulnerable to an authenticated arbitrary file read. An authenticated user with physical access to the device can read arbitrary files from the device by preparing and connecting a specially prepared USB drive to the device, and making a series of crafted requests to the device's web interface.

References

ExploitThird Party Advisory

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

HIGH

AttackComplexity

HIGH

Scope

UNCHANGED

AttackVector

PHYSICAL

AvailabilityImpact

NONE

IntegrityImpact

NONE

PrivilegesRequired

LOW

BaseScore

4

VectorString

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

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

MEDIUM

ConfidentialityImpact

PARTIAL

AvailabilityImpact

NONE

IntegrityImpact

NONE

BaseScore

1.9

VectorString

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

Version

2.0

AccessVector

LOCAL

Authentication

NONE