Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Physical
0

CVE-2021-20121

Disclosure Date: October 11, 2021
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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.

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CVSS V3 Severity and Metrics
Base Score:
4.0 Medium
Impact Score:
3.6
Exploitability Score:
0.4
Vector:
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector (AV):
Physical
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Vendors

  • telus

Products

  • prv65b444a-s-ts firmware 3.00.20

Additional Info

Technical Analysis