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
Answer Key | Eligibility | Application | Exam Pattern | Admit Card | Preparation Tips | Result | Accepting Colleges
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile