CVE-2021-20122
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.
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | HIGH |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | NETWORK |
AvailabilityImpact | HIGH |
IntegrityImpact | HIGH |
PrivilegesRequired | HIGH |
BaseScore | 7.2 |
VectorString | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | COMPLETE |
AvailabilityImpact | COMPLETE |
IntegrityImpact | COMPLETE |
BaseScore | 9 |
VectorString | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | SINGLE |