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Mitigation Summary Dashboard

by Carole Fennelly
April 7, 2022

Identifying both the current vulnerabilities and the vulnerabilities that have been mitigated provides IT managers an accurate picture of the health of their organization's network. Tenable.io uses the “Vulnerability State” attribute to identify vulnerabilities at various stages, such as new vulnerabilities and vulnerabilities that have been fixed. This dashboard tracks the vulnerabilities as they are fixed, and provides summary information of outstanding vulnerabilities.


The “Vulnerability State” attribute has four settings: New, Active, Fixed, and Resurfaced. When a vulnerability is first discovered on a system, the vulnerability's state is set to New. After 14 days, the state is changed to Active. The Fixed state is key to understanding and reporting on risk mitigations. For a vulnerability to be marked as Fixed, the vulnerability must have been once present on an asset, but is now no longer found. If a vulnerability returns after being marked as Fixed, the state is changed to Resurfaced.


Security analysts can use the content in this dashboard to monitor fixed vulnerabilities in several different contexts. Security analysts can view, based on severity, which vulnerabilities have been fixed. Fixed vulnerabilities can also be viewed using the Common Vulnerability Scoring System (CVSS) base score. Note that the severity of a vulnerability can be changed within an organization through recasting; however, the CVSS score of the vulnerability will remain unchanged. If any vulnerabilities are recast, the numbers between CVSS and Severity may not be the same. Managers can also view fixed and outstanding vulnerabilities by operating system and by Common Vulnerabilities and Exposure (CVE) identifier.  

This dashboard provides a comprehensive view of the current risks found on the network, including data on mitigated vulnerabilities. Security analysts can focus the dashboard on groups of assets to assign vulnerabilities to those who are responsible for that area of the network

Security leaders need to SEE everything, PREDICT what matters most and ACT to address cyber risk and effectively align cybersecurity initiatives with business objectives. Tenable.io discovers and analyzes assets continuously to provide an accurate and unified view of an organization’s security posture.

Widgets 

Vulnerabilities Overview - This widget assists in tracking vulnerability mitigations by severity. The row in red displays critical severity vulnerability information, the orange row is high severity, the yellow row is medium severity, and the green row is low severity. The Mitigated column displays the total number of mitigated vulnerabilities. The Unmitigated column displays the total number of vulnerabilities that have not yet been mitigated. The Exploitable column displays the percentage of those unmitigated vulnerabilities that are known to be exploitable. The Patch Available column displays the percentage of the unmitigated, exploitable vulnerabilities that have had a patch available for more than 30 days. The Exploitable Assets column displays the number of assets on the network that have unmitigated, exploitable vulnerabilities.

Vulnerability Overview by CVSS - This widget assists in tracking vulnerability mitigations by CVSS score. A CVSS base score of 10.0 is the most critical. Each row displays vulnerabilities within various CVSS score ranges. The Mitigated column displays the total number of mitigated vulnerabilities. The Unmitigated column displays the total number of vulnerabilities that have not yet been mitigated. The Exploitable column displays the percentage of those unmitigated vulnerabilities that are known to be exploitable. The Patch Available column displays the percentage of the unmitigated, exploitable vulnerabilities that have had a patch available for more than 30 days. The Exploitable Assets column displays the number of assets on the network that have unmitigated, exploitable vulnerabilities.

Vulnerability Overview by CVE - This widget assists in tracking vulnerability mitigations by CVE. Each row covers CVEs within a period of time, beginning in 2002. The Mitigated column displays the total number of mitigated vulnerabilities. The Unmitigated column displays the total number of vulnerabilities that have not yet been mitigated. The Exploitable column displays the percentage of those unmitigated vulnerabilities that are known to be exploitable. The Patch Available column displays the percentage of the unmitigated, exploitable vulnerabilities that have had a patch available for more than 30 days. The Exploitable Assets column displays the number of assets on the network that have unmitigated, exploitable vulnerabilities.

Vulnerability Overview by Operating System - This widget assists in tracking vulnerability mitigations by operating system. The Tenable.io vulnerability plugins are grouped together into plugin families. Filtering on operating system plugin families displays all the vulnerability data grouped by Windows, Linux, or other operating system or type of device. The Mitigated column shows the total number of mitigated vulnerabilities. The Unmitigated column displays the total number of vulnerabilities that have not yet been mitigated. The Exploitable column displays the percentage of those unmitigated vulnerabilities that are known to be exploitable. The Patch Available column displays the percentage of the unmitigated, exploitable vulnerabilities that have had a patch available for more than 30 days. The Exploitable Assets column displays the number of assets on the network that have unmitigated, exploitable vulnerabilities.

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