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SI-2 / RA-5 / SR-3 NIST SP 800-53 Rev 5

Automated CVE alerts on monitored deps

Demonstrate that the organization maintains automated alerting mechanisms that notify security and development teams of newly published CVEs affecting monitored software dependencies in a timely manner.

Description

What this control does

This control ensures that organizations receive automated, real-time notifications when Common Vulnerabilities and Exposures (CVEs) are published for software dependencies used in production and development environments. It requires maintaining an inventory of monitored components (libraries, frameworks, packages) and integrating automated scanning tools or services that match this inventory against public vulnerability databases such as NVD, GitHub Advisory Database, or vendor-specific feeds. The control reduces the window of exposure by enabling rapid response to newly disclosed vulnerabilities before they are exploited in the wild.

Control objective

What auditing this proves

Demonstrate that the organization maintains automated alerting mechanisms that notify security and development teams of newly published CVEs affecting monitored software dependencies in a timely manner.

Associated risks

Risks this control addresses

  • Exploitation of known vulnerabilities in third-party libraries due to delayed awareness of CVE publication
  • Unpatched dependencies becoming attack vectors for supply chain compromises or remote code execution
  • Compliance violations from failing to demonstrate vulnerability management for components with disclosed CVEs
  • Data breaches resulting from publicly exploitable vulnerabilities in unmaintained or outdated dependencies
  • Service disruption caused by mass exploitation of widely-used libraries before patches are applied
  • Inability to prioritize remediation efforts due to lack of visibility into which production systems are affected by new CVEs
  • Reputational damage from incidents involving vulnerabilities that were publicly disclosed but not acted upon

Testing procedure

How an auditor verifies this control

  1. Obtain and review the complete inventory of monitored software dependencies, including package manifests, Software Bill of Materials (SBOM), or dependency management tool outputs.
  2. Identify the automated scanning tools, services, or platforms configured to monitor dependencies for CVEs (e.g., Snyk, Dependabot, Sonatype Nexus, OWASP Dependency-Check, GitHub Advanced Security).
  3. Review the configuration settings of each scanning tool to verify CVE alerting is enabled, alert destinations are defined, and notification frequency is appropriate.
  4. Examine recent alert examples from the past 90 days showing CVE notifications delivered to designated security or development personnel, including CVE identifiers, affected components, and severity ratings.
  5. Select a sample of 3-5 critical or high-severity CVEs published in the last quarter that affect dependencies in scope and trace evidence that alerts were generated and delivered.
  6. Interview designated alert recipients to confirm they receive, acknowledge, and act upon CVE notifications within defined SLA timeframes.
  7. Test the alerting mechanism by triggering a simulated CVE match or introducing a dependency with a known published CVE and verify alert delivery.
  8. Review remediation workflow documentation and ticketing system records to confirm CVE alerts trigger defined response procedures, including triage, assessment, and patching activities.
Evidence required Configuration exports from dependency scanning tools showing enabled CVE monitoring and alert routing rules; screenshots or email archives of recent CVE alert notifications with timestamps, CVE identifiers, affected components, and severity levels; dependency inventory files (package.json, pom.xml, requirements.txt, SBOM) showing monitored components; ticketing system records or change logs demonstrating response actions taken following CVE alerts.
Pass criteria Automated CVE alerting is enabled for all in-scope dependencies, alerts are delivered to designated personnel within 24 hours of CVE publication, and evidence confirms alerts triggered for a representative sample of applicable CVEs published in the review period.

Where this control is tested

Audit programs including this control