The Tottenham defender had to be replaced in the 70th minute and will undergo medical exams to determine the extent of his injury.
“I think it’s finished for me. I felt a pull or a tear. We’re going to do a test tomorrow (Saturday) and we’ll see. It’s not great,” Aurier said.
Ivory Coast, the 2015 champions, won their opener 1-0 against Namibia but were beaten in their second game in Cairo to leave the Elephants likely fighting for second place in Group D.