Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0)

• SEI Report
This paper presents version 2.0 of a testable SSVC that takes the form of decision trees and avoids some problems with the Common Vulnerability Scoring System (CVSS).
Publisher

Software Engineering Institute

Abstract

The Stakeholder-specific Vulnerability Categorization (SSVC) is a system for prioritizing actions during vulnerability management. SSVC aims to avoid one-size-fits-all solutions in favor of a modular decision-making system with clearly defined and tested parts that vulnerability managers can select and use as appropriate to their context.

Version 2 improves on Version 1.1 (https://weis2020.econinfosec.org/wp-content/uploads/sites/8/2020/06/weis20-final6.pdf) with the addition of the coordinator stakeholder perspective, improvements to terminology, integration of feedback on decision point definitions, and tools to support practical use.

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Cite This SEI Report

Spring, J., Householder, A., Hatleback, E., Manion, A., Oliver, M., Sarvepalli, V., Tyzenhaus, L., & Yarbrough, C. (2021, April 30). Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0). Retrieved October 17, 2026, from https://www.sei.cmu.edu/library/prioritizing-vulnerability-response-a-stakeholder-specific-vulnerability-categorization-version-20/.

@techreport{spring_2021,
author={Spring, Jonathan and Householder, Allen and Hatleback, Eric and Manion, Art and Oliver, Madison and Sarvepalli, Vijay and Tyzenhaus, Laurie and Yarbrough, Charles},
title={Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0)},
month={Apr},
year={2021},
institution={Software Engineering Institute, Carnegie Mellon University},
url={https://www.sei.cmu.edu/library/prioritizing-vulnerability-response-a-stakeholder-specific-vulnerability-categorization-version-20/},
note={Accessed: 2026-Oct-17}
}

Spring, Jonathan, Allen Householder, Eric Hatleback, Art Manion, Madison Oliver, Vijay Sarvepalli, Laurie Tyzenhaus, and Charles Yarbrough. "Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0)." Software Engineering Institute, Carnegie Mellon University. Software Engineering Institute, April 30, 2021. https://www.sei.cmu.edu/library/prioritizing-vulnerability-response-a-stakeholder-specific-vulnerability-categorization-version-20/.

J. Spring, A. Householder, E. Hatleback, A. Manion, M. Oliver, V. Sarvepalli, L. Tyzenhaus, and C. Yarbrough, "Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0)," Software Engineering Institute, Carnegie Mellon University. Software Engineering Institute, 30-Apr-2021 [Online]. Available: https://www.sei.cmu.edu/library/prioritizing-vulnerability-response-a-stakeholder-specific-vulnerability-categorization-version-20/. [Accessed: 17-Oct-2026].

Spring, Jonathan, Allen Householder, Eric Hatleback, Art Manion, Madison Oliver, Vijay Sarvepalli, Laurie Tyzenhaus, and Charles Yarbrough. "Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0)." Software Engineering Institute, Carnegie Mellon University, Software Engineering Institute, 30 Apr. 2021. https://www.sei.cmu.edu/library/prioritizing-vulnerability-response-a-stakeholder-specific-vulnerability-categorization-version-20/. Accessed 17 Oct. 2026.

Spring, Jonathan; Householder, Allen; Hatleback, Eric; Manion, Art; Oliver, Madison; Sarvepalli, Vijay; Tyzenhaus, Laurie; & Yarbrough, Charles. Prioritizing Vulnerability Response: A Stakeholder-Specific Vulnerability Categorization (Version 2.0). Software Engineering Institute. 2021. https://www.sei.cmu.edu/library/prioritizing-vulnerability-response-a-stakeholder-specific-vulnerability-categorization-version-20/