title: Authenticated user could send multiple requests containing a large Auto Responder Message payload and can crash a Mattermost server
description: A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.
problem types: CWE-770 Allocation of Resources Without Limits or Throttling
affected:
{
defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions:
lessThanOrEqual: 7.1.3, status: affected, version: 1.0.0, versionType: semver
lessThanOrEqual: 7.1.*, status: unaffected, version: 7.1.4, versionType: semver
lessThan: 7.2.1, status: affected, version: 7.2.0, versionType: semver
lessThan: 7.3.1, status: affected, version: 7.3.0, versionType: semver
status: unaffected, version: 7.4.0
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 4.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Update Mattermost to version v7.1.4, 7.2.1, 7.3.1, 7.4.0 or higher.