CMMC Level 2 · Risk Assessment

CMMC Level 2 3.11.3: Vulnerability Remediation

3.11.3 — Vulnerability Remediation — is one of the 110 CMMC Level 2 requirements. This page gives the exact requirement text, every assessment objective, and what evidence an assessor will ask for.

Last reviewed: October 18, 2026

What this requirement asks

Remediate vulnerabilities in accordance with risk assessments.

This is a CMMC Level 2 requirement in the Risk Assessment family, drawn from NIST SP 800-171 Rev. 2. An assessor evaluates it objective by objective — every objective below must be supported by evidence, not just described in a policy.

Assessment objectives (2)

  • 3.11.3[a] — vulnerabilities are identified
  • 3.11.3[b] — vulnerabilities are remediated in accordance with risk assessments

What an assessor examines

Examine:

  • Risk assessment policy
  • procedures addressing vulnerability scanning
  • risk assessment
  • system security plan
  • security assessment report
  • vulnerability scanning tools and associated configuration documentation
  • vulnerability scanning results
  • patch and vulnerability management records
  • other relevant documents or records

Interview:

  • Personnel with risk assessment, security assessment and vulnerability scanning responsibilities
  • personnel with vulnerability scan analysis responsibilities
  • personnel with vulnerability remediation responsibilities
  • personnel with information security responsibilities
  • system or network administrators

Test:

  • Organizational processes for vulnerability scanning, analysis, remediation, and information sharing
  • mechanisms supporting or implementing vulnerability scanning, analysis, remediation, and information sharing

Check your readiness

Score this requirement against your own environment with the Level 2 self-assessment checklist, or estimate your SPRS score with the free CMMC compliance tool. Self-reported answers are planning signals only — they do not establish a verified or assessor-accepted result.

Frequently asked questions

Is 3.11.3 required for CMMC Level 2?

Yes. 3.11.3 (Vulnerability Remediation) is one of the 110 Level 2 requirements from NIST SP 800-171 Rev. 2. Every assessment objective must be met with supporting evidence.

What evidence satisfies 3.11.3?

An assessor looks for evidence supporting each of the 2 objectives listed above — typically a mix of policy, configuration, and log artifacts mapped to the requirement.

Further reading

Related Athena pages and authoritative external references.

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