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
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