Ethical Hacking Essentials Practice Test

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What is the severity level of vulnerabilities rated in the CVSS v3.0 with a base score range of 9.0-10.0?

Low
Medium
Critical
High

The correct answer is: Critical

The severity level of vulnerabilities rated in the Common Vulnerability Scoring System (CVSS) v3.0 with a base score range of 9.0-10.0 is classified as Critical. This classification indicates that these vulnerabilities pose a significant risk to the system or application, potentially allowing for severe exploitation. Such high scores typically imply that the vulnerabilities can lead to complete system compromise, unauthorized access, or a catastrophic impact on the confidentiality, integrity, and availability of data. When assessing vulnerabilities, the CVSS uses factors such as attack vector, complexity, impact, and more to derive a score that reflects the potential threat level. A score in the range of 9.0-10.0 signifies that immediate action is necessary to mitigate or remediate the risk associated with these vulnerabilities, as they are deemed to have a high likelihood of being exploited with severe consequences. Lower severity classifications such as Low, Medium, and High correspond to scores that fall below this range, indicating less critical need for urgent remediation or mitigation efforts compared to Critical vulnerabilities.