title: App Framework does not checks for the secret provided in the incoming webhook request
description: Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
problem types: CWE-862 Missing Authorization
affected:
{
defaultStatus: unaffected
product: Mattermost App Framework
vendor: Mattermost
versions:
lessThanOrEqual: 7.8.4, status: affected, version: 0, versionType: semver
lessThanOrEqual: 7.9.3, status: affected, version: 0, versionType: semver
status: affected, version: 7.10.0
status: unaffected, version: 7.10.1
status: unaffected, version: 7.8.5
status: unaffected, version: 7.9.4
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Update Mattermost Server to versions  Versions 7.8.5, 7.9.4, 7.10.1 or higher.