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Downloading Nessus Vulnerability CIM Mapper
SHA256 checksum (nessus-vulnerability-cim-mapper_120.tgz) 09da16e57a8b57b699dd25b82e31b4b6a259951ed994395e5977b89563d1b75a SHA256 checksum (nessus-vulnerability-cim-mapper_119.tgz) 4d95c16e4bb17c4797332faec6c52335ed823628b1ef4c5765ef3d50b0b45e81
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Nessus Vulnerability CIM Mapper

Splunk Cloud
Overview
This Technology Add-on (TA) maps Tenable Nessus Professional scan results in JSON format to Splunk’s Common Information Model (CIM), specifically the Vulnerabilities data model. It allows security teams to normalize vulnerability data for better correlation, reporting, and alerting in Splunk.

An optional ingestion script is available at: https://github.com/Bl4ck0xday/nessus_splunk_checkpoint

Release Notes

Version 1.2.0
Aug. 8, 2025

Initial public release of TA-Nessus-CIM-Mapper.
This Technology Add-on normalizes Tenable Nessus Professional JSON scan events to align with Splunk's Common Information Model (CIM), specifically the 'Vulnerabilities' data model.

New in this version:

  • Field normalization for:
  • category
  • cve
  • cvss score (v2 and v3)
  • severity (lowercased for CIM compatibility)
  • signature
  • vendor_product

  • dest and dvc fields

  • Event type:

  • nessus_vulnerabilities applied to sourcetype nessus:json

  • Tags applied:

  • vulnerability

  • report

  • Eval expressions for derived fields like url and cvss

  • Compatible with Splunk Cloud and Splunk Enterprise

External ingestion script:

A separate script is available to extract and send vulnerabilities from Nessus Professional
Version 1.1.9
Aug. 8, 2025

Release date: 2025-08-08
Author: Francis Segura

Summary:

Initial public release of TA-Nessus-CIM-Mapper.
This Technology Add-on normalizes Tenable Nessus Professional JSON scan events to align with Splunk's Common Information Model (CIM), specifically the 'Vulnerabilities' data model.

New in this version:

  • Field normalization for:
  • category
  • cve
  • cvss score (v2 and v3)
  • severity (lowercased for CIM compatibility)
  • signature
  • vendor_product

  • dest and dvc fields

  • Event type:

  • nessus_vulnerabilities applied to sourcetype nessus:json

  • Tags applied:

  • vulnerability

  • report

  • Eval expressions for derived fields like url and cvss

  • Compatible with Splunk Cloud and Splunk Enterprise

External ingestion script:

A separate script is available to extract and send vulnerabilities from Nessus Professional to Splunk using HEC (HTTP Event Collector).
It includes checkpointing support to avoid duplicates.

Repository:
👉 https://github.com/Bl4ck0xday/nessus_splunk_checkpoint

Known issues:

  • No known issues reported at this time.

Installation:

See README.md for detailed instructions on installation and validation.
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Built by
Francis Segura
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Compatibility
This version of the app (1.1.9) is not available for Splunk Cloud. However, version 1.2.0 of this app is available for Splunk Cloud.
Products: Splunk Enterprise, Splunk Cloud Products: Splunk Enterprise
Splunk Versions: 9.4, 9.3, 9.2, 9.1, 9.0 Platform: Platform Independent CIM Versions: 6.x, 5.x Splunk Versions: 10.0, 9.4, 9.3, 9.2, 9.1, 9.0 Platform: Platform Independent CIM Versions: 6.x, 5.x, 4.x
Licensing
Splunk End User License for Third Party Content
Category & Contents
Categories: Utilities, Vulnerability Scanner
App Type: Add-on
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