title: A specifically drafted Playbook could trigger large amount of webhook requests leading to Denial of Service
description: Mattermost Playbooks plugin v1.24.0 and earlier fails to properly check the limit on the number of webhooks, which allows authenticated and authorized users to create a specifically drafted Playbook which could trigger a large amount of webhook requests leading to Denial of Service.
problem types: CWE-770 Allocation of Resources Without Limits or Throttling
affected:
{
product: Mattermost Playbooks
vendor: Mattermost
versions:
lessThanOrEqual: 1.24, status: affected, version: Playbooks, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 3.5
baseSeverity: LOW
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
version: 3.1
]
solutions: Update Mattermost Playbooks Plugin to version v1.25.0 or higher.