Cyber Posture

NIST 800-53 r5 · Controls catalogue · Family CP

CP-4Contingency Plan Testing

Test the contingency plan for the system {{ insert: param, cp-04_odp.01 }} using the following tests to determine the effectiveness of the plan and the readiness to execute the plan: {{ insert: param, cp-4_prm_2 }}. Review the contingency plan test results; and Initiate corrective actions, if needed.

Last updated: 09 May 2026 03:25 UTC

Implementations targeting this control (0)

ATT&CK techniques this control mitigates (0)

Weaknesses this control addresses (4)AI

CWEs ranked by how often they appear in real CVEs. The rationale describes how this control reduces exploitability of each weakness class.

CWE Name CVEs Why this control addresses it
CWE-400Uncontrolled Resource Consumption3,324Contingency plan testing includes resource exhaustion scenarios to verify recovery, making it harder for attackers to sustain exploits that cause uncontrolled consumption.
CWE-770Allocation of Resources Without Limits or Throttling1,979Plan testing exercises resource allocation limits and throttling during simulated failures, directly addressing weaknesses that allow unbounded resource use.
CWE-693Protection Mechanism Failure476The contingency plan itself is a protection mechanism; regular testing and corrective actions ensure it does not fail when activated by an incident.
CWE-703Improper Check or Handling of Exceptional Conditions146Testing verifies the system's ability to detect, handle, and recover from exceptional conditions as part of the plan, reducing exploitability of improper exception handling.

Top CVEs where this control is the strongest mitigation

CVE Risk CVSS EPSS Match
No CVEs annotated to this control yet — the per-CVE backfill is in progress.

Other controls in family CP

CP-1 CP-10 CP-11 CP-12 CP-13 CP-2 CP-3 CP-5 CP-6 CP-7 CP-8 CP-9