No, I dont believe it will be an issue since you have an Overall Pass Certificate and a Respective Percetage. However,assuming you are from General Category having an average Academic record you should Work hard for CAT and target securing above 99-100 and above to have fair chances for IIMs as well as Other Top Management Institutes.

For more information about CAT do follow the link below

https://bschool.careers360.com/exams/cat