Webber is 63 points adrift of Vettel in the drivers' standings with just four races remaining, while the German is locked in a close fight at the top with Fernando Alonso.
And although it would be logical for Red Bull to elect to throw all its support behind Vettel, team boss Christian Horner says no thought has been given to imposing team orders.
"Not yet," Horner said. "Sebastian has moved into the lead [of the title chase] and Mark still has a chance of winning this championship.
"I think it would be wrong to impose team orders, while Mark still mathematically has a chance of winning.
"They demonstrated in Korea that they race each other fairly, and that is all we ask of them."