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CAS-005 · Question #515

CAS-005 Question #515: Real Exam Question with Answer & Explanation

The correct answer is D: Updating vulnerable third-party source code. The table shows that some open-source modules, such as the email module (492 days old) and input sanitization module (203 days old), are outdated. The most effective mitigation is to update vulnerable third-party source code to the latest secure versions, reducing exposure to kno

Submitted by jaden.t· Mar 6, 2026Security Engineering

Question

A security analyst must perform a security review on a static application. The application mostly contains publicly available open-source modules. The analyst reviews the following table: Which of the following mitigations would the security analyst most likely recommend?

Options

  • AInstalling a WAF to block cross-site scripting
  • BConfiguring TLS for all web-client connections
  • CTransitioning to proprietary modules
  • DUpdating vulnerable third-party source code

Explanation

The table shows that some open-source modules, such as the email module (492 days old) and input sanitization module (203 days old), are outdated. The most effective mitigation is to update vulnerable third-party source code to the latest secure versions, reducing exposure to known vulnerabilities.

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