title: A system/user manager can demote / deactivate another manager
description: Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
problem types: CWE-863 Incorrect Authorization
affected:
{
defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions:
lessThanOrEqual: 8.1.0, status: affected, version: 0, versionType: semver
lessThanOrEqual: 7.8.9, status: affected, version: 0, versionType: semver
status: unaffected, version: 8.1.1
status: unaffected, version: 7.8.10
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 2.7
baseSeverity: LOW
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Update Mattermost Server to versions 8.1.1, 7.8.10 or higher.