C-APIPen Certified API Pentester Exam Free Dumps

dumps2025-06-16T11:20:39+08:00

To take C-APIPen Certified API Pentester exam, you should have prior knowledge and experience of API pentesting. C-APIPen is a practical exam, and you have 4 hours to finish the test. The exam can be taken online, anytime (on-demand) and from anywhere. Candidates will need to connect to the exam VPN server to access the vulnerable applications. We provide the latest Certified API Pentester C-APIPen exam dumps, which can ensure you pass the test easily. Free Certified API Pentester C-APIPen exam dumps are available below.

Page 1 of 8

1. Locate potential sensitive operations in a Swagger (OpenAPI) definition.

See the Explanation.

2. Use Swagger UI to execute a GET request and analyze the response for excessive data exposure.

See the Explanation.

3. Identify broken access control by testing role-protected endpoints via Swagger.

See the Explanation.

4. Modify and test query parameters to check for SQL Injection via Swagger.

See the Explanation.

5. Discover undocumented endpoints using the Swagger file structure.

See the Explanation.

6. Enumerate all required parameters for an endpoint using Swagger UI.

See the Explanation.

7. Test for improper HTTP method exposure.

See the Explanation.

8. Check for insecure default values in Swagger parameter schemas.

See the Explanation.

9. Use Swagger schema to fuzz the API with invalid types.

See the Explanation.

10. Extract authentication mechanism from Swagger Security Definitions.

See the Explanation.

Page 2 of 8

11. You have received a Swagger (OpenAPI) JSON file containing the API definition of a target system. Describe how you would import this file into Postman to generate a full set of request templates for manual and automated security testing.

See the Explanation.

12. Explain how you would verify that the imported API collection in Postman correctly preserves the authentication schemes and request parameters defined in the OpenAPI spec.

See the Explanation.

13. You want to quickly test multiple endpoints from a large imported Postman collection. Explain how to use Postman’s “Collection Runner” to automate these requests.

See the Explanation.

14. You’ve imported an API collection and need to test how it behaves with different user roles (admin vs. regular user). Explain how to configure and switch environments in Postman for this purpose.

See the Explanation.

15. You need to add a global header (e.g., X-API-Key) to every request in an imported collection.

How can you do this efficiently without editing each request manually?

See the Explanation.

16. Describe the process of exporting a modified Postman collection for sharing with your pentest team, ensuring they receive all endpoint data and configuration.

See the Explanation.

17. You suspect an endpoint is vulnerable to IDOR (Insecure Direct Object Reference). Using Postman collections, explain how you would test this vulnerability efficiently.

See the Explanation.

18. How would you organize a large imported Postman collection to focus on testing only POST and DELETE methods which are more likely to be vulnerable?

See the Explanation.

19. Explain how to add test scripts in Postman to automatically detect abnormal response codes (like 500, 403) for any request in the collection.

See the Explanation.

20. During your API pentest, you want to simulate a replay attack using a previously successful POST request in Postman.

How can you modify the request and observe the server's behavior?

See the Explanation.

Page 3 of 8

21. You want to test an API for Broken Object Level Authorization (BOLA). The API provides access to user resources via /api/user/{userId}. Explain how you would identify and exploit a BOLA vulnerability.

See the Explanation.

22. The API exposes an endpoint /api/deleteAccount that accepts a userId in the body. Demonstrate how to check for Broken Function Level Authorization (BFLA).

See the Explanation.

23. How would you test for Excessive Data Exposure through a /api/profile endpoint returning JSON objects?

See the Explanation.

24. An API allows client-controlled filtering via /api/products?sort=price. Explain how to test for Mass Assignment vulnerabilities in such APIs.

See the Explanation.

25. You suspect an API is vulnerable to Security Misconfiguration. Describe a process to verify this through HTTP headers.

See the Explanation.

26. How would you identify a lack of rate limiting on a login endpoint /api/login?

See the Explanation.

27. An API endpoint /api/comments accepts input and reflects it in the response. Explain how to test for Injection (e.g., SQL, NoSQL).

See the Explanation.

28. You’re targeting an API using token-based authentication.

How would you test for Improper Assets Management?

See the Explanation.

29. Describe how to test for Insufficient Logging and Monitoring in an API handling authentication or sensitive actions.

See the Explanation.

30. Explain how to exploit a Vulnerable API lacking proper CORS policies that allows unauthorized cross-origin requests.

See the Explanation.

Page 4 of 8

31. You are testing an API endpoint that accepts XML input. Describe how to craft a basic payload to detect a potential XML External Entity (XXE) vulnerability.

See the Explanation.

32. Explain how to test for file disclosure using XXE to read system files like /etc/passwd.

See the Explanation.

33. You want to identify blind XXE where no file content is reflected in the response.

How do you exfiltrate data using an out-of-band (OOB) XXE?

See the Explanation.

34. You encounter an API that uses SOAP.

How would you inject an XXE payload into a SOAP message?

See the Explanation.

35. How can you check if the server uses DTD (Document Type Definition) processing to confirm potential XXE vectors?

See the Explanation.

36. Demonstrate how to test for SSRF via XXE using a local endpoint like http://localhost:8080/.

See the Explanation.

37. You want to extract server environment variables using XXE. Explain the steps and payload.

See the Explanation.

38. You suspect the server is running on Windows.

How would you modify your XXE payload to confirm OS type?

See the Explanation.

39. You want to combine XXE with a Denial of Service (DoS) attack.

How would you perform a "Billion Laughs" attack?

See the Explanation.

40. You need to verify if XML parsing is safe.

What headers or behaviors in the HTTP response might indicate secure XML parsing?

See the Explanation.

Page 5 of 8

41. An API accepts user input that is rendered in server-side templates.

How would you confirm whether the input field is vulnerable to SSTI?

See the Explanation.

42. You confirmed that {{7*7}} is evaluated.

What steps would you take to identify the underlying template engine?

See the Explanation.

43. How would you escalate SSTI in a Jinja2-based application to execute OS commands?

See the Explanation.

44. The SSTI payload returns __import__ not found.

How can you bypass this to access OS commands?

See the Explanation.

45. You suspect SSTI in an API that accepts JSON payload.

How would you exploit it?

See the Explanation.

46. Explain how to find reflected SSTI in HTTP response headers like Location.

See the Explanation.

47. You want to detect SSTI in error messages.

How would you approach this?

See the Explanation.

48. How would you detect SSTI vulnerabilities in a GraphQL API?

See the Explanation.

49. You suspect that SSTI is triggered only in error pages.

How do you test for error-based SSTI?

See the Explanation.

50. How can you use automated tools to confirm SSTI vulnerabilities in APIs?

See the Explanation.

Page 6 of 8

51. You find an API endpoint /fetch?url= that fetches a remote URL and returns its content.

How do you test this for SSRF?

See the Explanation.

52. Describe how to use SSRF to extract AWS EC2 metadata using a vulnerable API endpoint.

See the Explanation.

53. How can you confirm blind SSRF when no content is reflected in the response?

See the Explanation.

54. You found a GraphQL API with a query like getRemoteImage(url: ""). Explain how to test this for SSRF.

See the Explanation.

55. How would you use SSRF to perform port scanning on the internal network?

See the Explanation.

56. You encounter an image upload API that downloads the image from a URL.

How do you test for SSRF in such behavior?

See the Explanation.

57. How do you identify SSRF filtering mechanisms and attempt to bypass them?

See the Explanation.

58. The API blocks IP-based URLs.

How can you leverage open redirect SSRF via external domains?

See the Explanation.

59. How can you leverage SSRF to exploit Redis or Memcached?

See the Explanation.

60. Describe how to use Burp Suite to automate SSRF testing across multiple API endpoints.

See the Explanation.

Page 7 of 8

61. You encounter an API endpoint /api/user?id=5 which fetches user details based on an ID. Explain how you would test this parameter for classic SQL Injection using boolean-based logic.

See the Explanation.

62. You discover a JSON-based login API that accepts {"username": "admin", "password": "admin"}.

Describe how to test this for NoSQL Injection targeting MongoDB.

See the Explanation.

63. A form parameter ip=127.0.0.1 is passed to the server, and the server pings it.

How would you test for Unix-based command injection?

See the Explanation.

64. You notice that the API evaluates math expressions passed via a query string like /eval?expr=2+2.

Describe how to exploit it for code injection.

See the Explanation.

65. The API uses a parameter name in /api/profile?name=John, which is echoed back in the response.

How would you test this for error-based SQL Injection?

See the Explanation.

66. You find a GraphQL query that allows user(id: "1"). Describe how to test it for SQL injection within GraphQL queries.

See the Explanation.

67. You observe a search API that accepts JSON input like {"query": "abc"} and returns product data.

How would you test it for NoSQL Injection?

See the Explanation.

68. You’re testing an API that evaluates math expressions from JSON like {"expr": "2+2"}.

How can you test this for Python code injection?

See the Explanation.

69. An endpoint accepts a file path in JSON: {"file": "/var/log/app.log"}.

How do you check for command injection?

See the Explanation.

70. The server accepts POST data with username=admin and password=admin.

How do you test for SQL Injection if input is not reflected?

See the Explanation.

Page 8 of 8

71. An API reflects your cookie value in debug mode.

How do you test if the session_id cookie is vulnerable to SQL injection?

See the Explanation.

72. You suspect command injection in a feature that sends emails and accepts an email address.

How would you test it?

See the Explanation.

73. You have access to an upload function that renames files server-side.

How would you test this for code injection?

See the Explanation.

74. The API lets users define custom filters in a query param like filter=price>100.

How would you test this for code or injection?

See the Explanation.

75. A JSON key called "callback" is passed to the API and affects output.

How would you test for JavaScript injection or server-side code execution?

See the Explanation.

C-APIPen Certified API Pentester Exam Free Dumps

C-APIPen Certified API Pentester Exam Free Dumps

Share this post

Related Posts

Secops-CAP Certified AppSec Practitioner Exam Free Dumps