NB! It seems this console command is not compatible with CS2.
Command Profile

JOY_FORWARDSENSITIVITY

CS:GO

This is the console command used to control the forward sensitivity if you are using a joystick to play.

Syntax
joy_forwardsensitivity [Sensitivity]

Description

This is the console command used to control the forward sensitivity if you are using a joystick to play.

Syntax And Arguments

joy_forwardsensitivity [Sensitivity]
Sensitivity A number used to represent the joystick's sensitivity when running forward. The default value for this command is -1.