CS0-003 Vulnerability Management Practice Question
This CS0-003 practice question tests your understanding of vulnerability management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: cISA KEV lists vulnerabilities actively exploited in the wild.. 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 vulnerability report has 900 findings. One medium CVSS vulnerability is listed in CISA KEV and has high EPSS; several high CVSS issues are not exploitable in the environment. What should the analyst recommend? For stakeholder management, Which documentation or approval is required to keep the programme defensible?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Prioritize the KEV/high-EPSS issue after confirming asset exposure
Option C is correct because CISA KEV and high EPSS indicate active exploitation in the wild, making the medium CVSS vulnerability a higher operational priority than non-exploitable high CVSS issues. The analyst must first confirm asset exposure to ensure the vulnerability actually affects the environment before recommending remediation. This aligns with risk-based vulnerability management (RBVM) principles, which prioritize exploitability and threat intelligence over CVSS base score alone.
Key principle: CISA KEV lists vulnerabilities actively exploited in the wild.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Remediate alphabetically by CVE ID
Why it's wrong here
CVE order has no risk meaning.
✗
Remediate only vulnerabilities with vendor logos in the report
Why it's wrong here
Vendor branding is irrelevant to risk.
✓
Prioritize the KEV/high-EPSS issue after confirming asset exposure
Why this is correct
Known exploitation and likelihood can outweigh base CVSS in risk-based prioritization.
Related concept
CISA KEV lists vulnerabilities actively exploited in the wild.
✗
Always sort only by CVSS base score
Why it's wrong here
CVSS is useful but incomplete without exploitability and exposure.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that CVSS base score alone determines priority, but the trap here is that a medium CVSS vulnerability with KEV/high EPSS is more urgent than high CVSS issues that are not exploitable in the environment.
Detailed technical explanation
How to think about this question
EPSS (Exploit Prediction Scoring System) uses machine learning on real-world exploit data to predict the likelihood of exploitation within 30 days, with scores above 0.9 (high) indicating near-certain exploitation. CISA KEV is a curated list of vulnerabilities known to be exploited in the wild, maintained under Binding Operational Directive (BOD) 22-01. Combining KEV and high EPSS overrides CVSS severity because threat intelligence directly reflects active adversary behavior, which is the primary driver of risk in a defensible vulnerability management program.
KKey Concepts to Remember
CISA KEV lists vulnerabilities actively exploited in the wild.
EPSS predicts the likelihood of a vulnerability being exploited.
Risk-based prioritization considers exploitability and impact.
Asset exposure confirms if a vulnerable system is accessible.
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
CISA KEV lists vulnerabilities actively exploited in the wild.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CS0-003 question in full detail.
Review cISA KEV lists vulnerabilities actively exploited in the wild., then practise related CS0-003 questions on the same topic to reinforce the concept.
Vulnerability Management — This question tests Vulnerability Management — CISA KEV lists vulnerabilities actively exploited in the wild..
What is the correct answer to this question?
The correct answer is: Prioritize the KEV/high-EPSS issue after confirming asset exposure — Option C is correct because CISA KEV and high EPSS indicate active exploitation in the wild, making the medium CVSS vulnerability a higher operational priority than non-exploitable high CVSS issues. The analyst must first confirm asset exposure to ensure the vulnerability actually affects the environment before recommending remediation. This aligns with risk-based vulnerability management (RBVM) principles, which prioritize exploitability and threat intelligence over CVSS base score alone.
What should I do if I get this CS0-003 question wrong?
Review cISA KEV lists vulnerabilities actively exploited in the wild., then practise related CS0-003 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
CISA KEV lists vulnerabilities actively exploited in the wild.
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Question Discussion
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