nuclei-templates/cloud/aws/cloudwatch/cw-alarms-actions.yaml

id: cw-alarms-actions
info:
  name: CloudWatch Alarms Actions Enabled
  author: princechaddha
  severity: high
  description: |
    Ensure that all Amazon CloudWatch alarms have actions enabled (ActionEnabled: true) to respond to state changes.
  impact: |
    Without actions enabled, CloudWatch alarms cannot perform automated actions in response to state changes, potentially missing critical alerts.
  remediation: |
    Enable actions for each CloudWatch alarm by setting the ActionEnabled parameter to true, allowing for automated responses to alarms.
  reference:
    - https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/AlarmThatSendsEmail.html
  metadata:
    max-request: 2
  tags: cloud,devops,aws,amazon,cloudwatch,aws-cloud-config
variables:
  region: "us-east-1"

flow: |
  code(1)
  for(let AlarmName of iterate(template.alarms)){
    set("alarm", AlarmName)
    code(2)
  }

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      aws cloudwatch describe-alarms --region $region --query 'MetricAlarms[].AlarmName' --output json

    extractors:
      - type: json
        name: alarms
        internal: true
        json:
          - '.[]'

  - engine:
      - sh
      - bash
    source: |
        aws cloudwatch describe-alarms --region $region --alarm-names "DiskWritesOpsAlarm" --query 'MetricAlarms[*].ActionsEnabled'

    matchers:
      - type: word
        words:
          - "false"

    extractors:
      - type: dsl
        dsl:
          - '"The Amazon CloudWatch " + alarm + " does not have any active actions configured"'
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