The meaning of ‘CVSS’ in IT Security is ‘Common Vulnerability Scoring System’.
Meaning of ‘CVSS’
The meaning of CVSS in IT Security is “Common Vulnerability Scoring System” and it is an international standard for assessing the severity of computer system security vulnerabilities.
CVSS is a numerical score that is used to evaluate the potential risk associated with a particular vulnerability. The higher the score, the more likely it is that malicious actors can exploit the vulnerability to gain access to sensitive data or systems. It’s important to note that CVSS scores are not absolute values; they provide only relative measure of risk, so each IT organization must decide how much risk it will accept when deploying applications and systems.
The Common Vulnerability Scoring System was developed by a consortium of industry experts from different organizations including the National Institute of Standards and Technology (NIST), MITRE Corporation, Microsoft Corporation, Fujitsu Laboratories, Symantec Corporation, and McAfee Inc. The system uses a range of parameters to calculate a vulnerability’s severity, including:
• Exploitability: How easy would it be for an attacker to exploit this vulnerability?
• Affected Systems: What types of systems would be affected by this vulnerability?
• Impact on Confidentiality: How easily could an attacker access confidential data?
• Impact on Integrity: How easily could an attacker modify or delete data?
• Impact on Availability: How easily could an attacker prevent authorized users from accessing systems or services?
• Remediation Level: Is there a patch available for this vulnerability? If so how quickly can it be applied?
The CVSS score ranges from 0-10 with 10 being the most severe. For example, if a vulnerability has no known exploitability then its score would be 0 whereas if one had high exploitability its score would be 10. Scores between 0-3 indicate low risk while scores 4-6 indicate medium risk and 7-10 indicate high risk vulnerabilities. In addition to these numerical scores, there are also verbal descriptors such as “low”, “moderate” and “high” which help organizations better understand their level of risk exposure.
When assessing security vulnerabilities in IT environments it’s important to have an objective way to measure their severity and compare them against one another. The Common Vulnerability Scoring System provides organizations with just that – an objective way to measure and compare vulnerabilities based on their potential impact on system security. This helps organizations prioritize which vulnerabilities need to be addressed first in order ensure maximum security across their networks and systems.
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