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CCSP Practice Question: A cloud application allows users to upload…
A cloud application allows users to upload profile pictures that are stored in Azure Blob Storage. Which vulnerability is most likely if the application does not validate the content type or size of uploaded files?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Unrestricted File Upload
Without validation, an attacker could upload a malicious file (e.g., a web shell) that could be executed on the server, leading to remote code execution.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Unrestricted File Upload
Why this is correct
Unrestricted file upload can lead to remote code execution if dangerous file types are allowed.
- ✗
Server-Side Request Forgery (SSRF)
Why it's wrong here
SSRF involves the server making requests to internal resources.
- ✗
Mass Assignment
Why it's wrong here
Mass assignment involves binding request parameters to objects.
- ✗
Broken Object Level Authorization (BOLA)
Why it's wrong here
BOLA involves unauthorized access to objects, not file upload.
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCSP exam.