- A
Buffer overflow
Why wrong: Buffer overflow is a memory corruption vulnerability, not cloud-specific.
- B
SQL injection
Why wrong: SQL injection is a general web vulnerability, not specific to cloud.
- C
Exposed S3 buckets with public read access
Correct. This is a cloud-specific misconfiguration that can expose data.
- D
Cross-site scripting (XSS)
Why wrong: XSS is a general web vulnerability, not cloud-specific.
Question 854 of 1,000
CCSP Cloud Application Security Practice Question
This CCSP practice question tests your understanding of cloud application security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A security engineer is reviewing a cloud application that uses AWS S3 buckets. Which vulnerability is most specific to cloud environments and is often exploited to access sensitive data?
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
✓
Exposed S3 buckets with public read access
Exposed S3 buckets with public read access are a cloud-specific misconfiguration vulnerability because they rely on the AWS S3 bucket policy or ACL settings that grant unauthenticated access to objects. Unlike traditional on-premises vulnerabilities, this arises from improper cloud resource configuration, allowing attackers to enumerate and download sensitive data directly via HTTP/HTTPS requests without any authentication.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Buffer overflow
Why it's wrong here
Buffer overflow is a memory corruption vulnerability, not cloud-specific.
- ✗
SQL injection
Why it's wrong here
SQL injection is a general web vulnerability, not specific to cloud.
- ✓
Exposed S3 buckets with public read access
Why this is correct
Correct. This is a cloud-specific misconfiguration that can expose data.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Cross-site scripting (XSS)
Why it's wrong here
XSS is a general web vulnerability, not cloud-specific.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between cloud-specific misconfigurations (like exposed S3 buckets) and traditional application vulnerabilities (like SQL injection or XSS), trapping candidates who confuse general web app flaws with cloud-native risks.
Detailed technical explanation
How to think about this question
AWS S3 buckets can be configured with bucket policies using JSON-based statements that specify principals, actions, and conditions; setting `"Effect": "Allow"` and `"Principal": "*"` with `"Action": "s3:GetObject"` makes all objects publicly readable. Attackers often use tools like `aws s3 ls s3://bucket-name --no-sign-request` to list and download objects without credentials, and this misconfiguration is a leading cause of data breaches in cloud environments, as seen in the 2017 Accenture breach where multiple S3 buckets were exposed.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
Visual reference
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this CCSP question test?
Cloud Application Security — This question tests Cloud Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Exposed S3 buckets with public read access — Exposed S3 buckets with public read access are a cloud-specific misconfiguration vulnerability because they rely on the AWS S3 bucket policy or ACL settings that grant unauthenticated access to objects. Unlike traditional on-premises vulnerabilities, this arises from improper cloud resource configuration, allowing attackers to enumerate and download sensitive data directly via HTTP/HTTPS requests without any authentication.
What should I do if I get this CCSP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
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.
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